1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [3667aec9-07bb-404e-a3db-bd974d2ee6fc] => Array
        (
            [runtime-id] => 3667aec9-07bb-404e-a3db-bd974d2ee6fc
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [87e840c8-8c39-4293-ba3f-82b8e713e4b0] => Array
                        (
                            [runtime-id] => 87e840c8-8c39-4293-ba3f-82b8e713e4b0
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [3667aec9-07bb-404e-a3db-bd974d2ee6fc] => Array
        (
            [runtime-id] => 3667aec9-07bb-404e-a3db-bd974d2ee6fc
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [87e840c8-8c39-4293-ba3f-82b8e713e4b0] => Array
                        (
                            [runtime-id] => 87e840c8-8c39-4293-ba3f-82b8e713e4b0
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => OpenAccess
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [90014eeb-db55-41e1-a622-0dc8628da05d] => Array
        (
            [runtime-id] => 90014eeb-db55-41e1-a622-0dc8628da05d
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => OpenAccess
            [privilege] => Array
                (
                    [88882ebe-ff3a-4e07-9851-ba9111af3b5e] => Array
                        (
                            [runtime-id] => 88882ebe-ff3a-4e07-9851-ba9111af3b5e
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => OpenAccess
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [3c086908-3c36-4e0d-96f2-a3d7c87ed26e] => Array
        (
            [runtime-id] => 3c086908-3c36-4e0d-96f2-a3d7c87ed26e
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => OpenAccess
            [privilege] => Array
                (
                    [a6e78bcd-5b34-4191-aa08-71c01ee66968] => Array
                        (
                            [runtime-id] => a6e78bcd-5b34-4191-aa08-71c01ee66968
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => OpenAccess
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [3c086908-3c36-4e0d-96f2-a3d7c87ed26e] => Array
        (
            [runtime-id] => 3c086908-3c36-4e0d-96f2-a3d7c87ed26e
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => OpenAccess
            [privilege] => Array
                (
                    [a6e78bcd-5b34-4191-aa08-71c01ee66968] => Array
                        (
                            [runtime-id] => a6e78bcd-5b34-4191-aa08-71c01ee66968
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [3667aec9-07bb-404e-a3db-bd974d2ee6fc] => Array
        (
            [runtime-id] => 3667aec9-07bb-404e-a3db-bd974d2ee6fc
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [87e840c8-8c39-4293-ba3f-82b8e713e4b0] => Array
                        (
                            [runtime-id] => 87e840c8-8c39-4293-ba3f-82b8e713e4b0
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [3667aec9-07bb-404e-a3db-bd974d2ee6fc] => Array
        (
            [runtime-id] => 3667aec9-07bb-404e-a3db-bd974d2ee6fc
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [87e840c8-8c39-4293-ba3f-82b8e713e4b0] => Array
                        (
                            [runtime-id] => 87e840c8-8c39-4293-ba3f-82b8e713e4b0
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [3667aec9-07bb-404e-a3db-bd974d2ee6fc] => Array
        (
            [runtime-id] => 3667aec9-07bb-404e-a3db-bd974d2ee6fc
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [87e840c8-8c39-4293-ba3f-82b8e713e4b0] => Array
                        (
                            [runtime-id] => 87e840c8-8c39-4293-ba3f-82b8e713e4b0
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [3667aec9-07bb-404e-a3db-bd974d2ee6fc] => Array
        (
            [runtime-id] => 3667aec9-07bb-404e-a3db-bd974d2ee6fc
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [87e840c8-8c39-4293-ba3f-82b8e713e4b0] => Array
                        (
                            [runtime-id] => 87e840c8-8c39-4293-ba3f-82b8e713e4b0
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => OpenAccess
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [da14fa82-aadb-418e-838c-0da1c4187d29] => Array
        (
            [runtime-id] => da14fa82-aadb-418e-838c-0da1c4187d29
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => OpenAccess
            [privilege] => Array
                (
                    [26bb86d5-ed8d-4db9-bf2c-2404fc8ee2d5] => Array
                        (
                            [runtime-id] => 26bb86d5-ed8d-4db9-bf2c-2404fc8ee2d5
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;79aa2334aa6fe5d63187cd13ac4c57775c5a16cf
                )

        )

)
<!DOCTYPE html>
<html lang="en" dir="ltr" 
  xmlns="http://www.w3.org/1999/xhtml"
  xmlns:mml="http://www.w3.org/1998/Math/MathML">
  <head prefix="og: http://ogp.me/ns# article: http://ogp.me/ns/article# book: http://ogp.me/ns/book#" >
    <!--[if IE]><![endif]-->
<link rel="dns-prefetch" href="//securepubads.g.doubleclick.net" />
<link rel="dns-prefetch" href="//scholar.google.com" />
<link rel="dns-prefetch" href="//www.google.com" />
<link rel="dns-prefetch" href="//cdn.jsdelivr.net" />
<link rel="dns-prefetch" href="//www.googletagmanager.com" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="shortlink" href="/node/12378" />
<meta name="Generator" content="Drupal 7 (http://drupal.org)" />
<link rel="shortcut icon" href="http://ajnr-stage2.stage.highwire.org/sites/default/files/images/favicon.ico" type="image/vnd.microsoft.icon" />
<meta name="article_thumbnail" content="http://ajnr-stage2.stage.highwire.org/content/ajnr/34/1/177/embed/graphic-1.gif" />
<meta name="issue_cover_image" content="http://ajnr-stage2.stage.highwire.org/sites/default/files/highwire/ajnr/34/1.cover-source.jpg" />
<meta name="type" content="article" />
<meta name="category" content="research-article" />
<meta name="HW.identifier" content="/ajnr/34/1/177.atom" />
<meta name="HW.pisa" content="ajnr;34/1/177" />
<meta name="DC.Format" content="text/html" />
<meta name="DC.Language" content="en" />
<meta name="DC.Title" content="Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques" />
<meta name="DC.Identifier" content="10.3174/ajnr.A3132" />
<meta name="DC.Date" content="2013-01-01" />
<meta name="DC.Publisher" content="American Journal of Neuroradiology" />
<meta name="DC.Rights" content="© 2013 by American Journal of Neuroradiology. Indicates open access to non-subscribers at www.ajnr.org" />
<meta name="DC.AccessRights" content="open-access" />
<meta name="DC.Description" content="BACKGROUND AND PURPOSE: Ulceration in carotid plaque is a risk indicator for ischemic stroke. Our aim was to compare plaque ulcer detection by standard TOF and CE-MRA techniques and to identify factors that influence its detection.

MATERIALS AND METHODS: Carotid MR imaging scans were acquired on 2066 participants in the ARIC study. We studied the 600 thickest plaques. TOF-MRA, CE-MRA, and black-blood MR images were analyzed together to define ulcer presence (plaque surface niche ≥2 mm in depth). Sixty ulcerated arteries were detected. These arteries were randomly assigned, along with 40 nonulcerated plaques from the remaining 540, for evaluation of ulcer presence by 2 neuroradiologists. Associations between ulcer detection and ulcer characteristics, including orientation, location, and size, were determined and explored by CFD modeling.

RESULTS: One CE-MRA and 3 TOF-MRAs were noninterpretable and excluded. Of 71 ulcers in 56 arteries, readers detected an average of 39 (55%) on both TOF-MRA and CE-MRA, 26.5 (37.5%) only on CE-MRA, and 1 (1.5%) only on TOF-MRA, missing 4.5 (6%) ulcers by both methods. Ulcer detection by TOF-MRA was associated with its orientation (distally pointing versus perpendicular: OR = 5.57 [95% CI, 1.08–28.65]; proximally pointing versus perpendicular: OR = 0.21 [95% CI, 0.14–0.29]); location relative to point of maximum stenosis (distal versus isolevel: OR = 5.17 [95% CI, 2.10–12.70]); and neck-to-depth ratio (OR = 1.96 [95% CI, 1.11–3.45]) after controlling for stenosis and ulcer volume.

CONCLUSIONS: CE-MRA detects more ulcers than TOF-MRA in carotid plaques. Missed ulcers on TOF-MRA are influenced by ulcer orientation, location relative to point of maximum stenosis, and neck-to-depth ratio.

ARIC
:   Atherosclerosis Risk in Communities
CE
:   contrast-enhanced
CFD
:   computational fluid dynamics
CI
:   confidence interval
FD
:   flow divider
IMT
:   intima-media thickness
IQ
:   image quality
MIP
:   maximum intensity projection
OR
:   odds ratio
TOF
:   time-of-flight" />
<meta name="DC.Contributor" content="M. Etesami" />
<meta name="DC.Contributor" content="Y. Hoi" />
<meta name="DC.Contributor" content="D.A. Steinman" />
<meta name="DC.Contributor" content="S.K. Gujar" />
<meta name="DC.Contributor" content="A.E. Nidecker" />
<meta name="DC.Contributor" content="B.C. Astor" />
<meta name="DC.Contributor" content="A. Portanova" />
<meta name="DC.Contributor" content="Y. Qiao" />
<meta name="DC.Contributor" content="W.M.A. Abdalla" />
<meta name="DC.Contributor" content="B.A. Wasserman" />
<meta name="article:published_time" content="2013-01-01" />
<meta name="article:section" content="Extracranial Vascular" />
<meta name="citation_title" content="Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques" />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;BACKGROUND AND PURPOSE:&lt;/h3&gt;
&lt;p&gt;Ulceration in carotid plaque is a risk indicator for ischemic stroke. Our aim was to compare plaque ulcer detection by standard TOF and CE-MRA techniques and to identify factors that influence its detection.&lt;/p&gt;&lt;h3&gt;MATERIALS AND METHODS:&lt;/h3&gt;
&lt;p&gt;Carotid MR imaging scans were acquired on 2066 participants in the ARIC study. We studied the 600 thickest plaques. TOF-MRA, CE-MRA, and black-blood MR images were analyzed together to define ulcer presence (plaque surface niche ≥2 mm in depth). Sixty ulcerated arteries were detected. These arteries were randomly assigned, along with 40 nonulcerated plaques from the remaining 540, for evaluation of ulcer presence by 2 neuroradiologists. Associations between ulcer detection and ulcer characteristics, including orientation, location, and size, were determined and explored by CFD modeling.&lt;/p&gt;&lt;h3&gt;RESULTS:&lt;/h3&gt;
&lt;p&gt;One CE-MRA and 3 TOF-MRAs were noninterpretable and excluded. Of 71 ulcers in 56 arteries, readers detected an average of 39 (55%) on both TOF-MRA and CE-MRA, 26.5 (37.5%) only on CE-MRA, and 1 (1.5%) only on TOF-MRA, missing 4.5 (6%) ulcers by both methods. Ulcer detection by TOF-MRA was associated with its orientation (distally pointing versus perpendicular: OR = 5.57 [95% CI, 1.08–28.65]; proximally pointing versus perpendicular: OR = 0.21 [95% CI, 0.14–0.29]); location relative to point of maximum stenosis (distal versus isolevel: OR = 5.17 [95% CI, 2.10–12.70]); and neck-to-depth ratio (OR = 1.96 [95% CI, 1.11–3.45]) after controlling for stenosis and ulcer volume.&lt;/p&gt;&lt;h3&gt;CONCLUSIONS:&lt;/h3&gt;
&lt;p&gt;CE-MRA detects more ulcers than TOF-MRA in carotid plaques. Missed ulcers on TOF-MRA are influenced by ulcer orientation, location relative to point of maximum stenosis, and neck-to-depth ratio.&lt;/p&gt;" />
<meta name="citation_journal_title" content="American Journal of Neuroradiology" />
<meta name="citation_publisher" content="American Journal of Neuroradiology" />
<meta name="citation_publication_date" content="2013/01/01" />
<meta name="citation_mjid" content="ajnr;34/1/177" />
<meta name="citation_id" content="34/1/177" />
<meta name="citation_public_url" content="http://ajnr-stage2.stage.highwire.org/content/34/1/177" />
<meta name="citation_abstract_html_url" content="http://ajnr-stage2.stage.highwire.org/content/34/1/177.abstract" />
<meta name="citation_full_html_url" content="http://ajnr-stage2.stage.highwire.org/content/34/1/177.full" />
<meta name="citation_pdf_url" content="http://ajnr-stage2.stage.highwire.org/content/ajnr/34/1/177.full.pdf" />
<meta name="citation_issn" content="0195-6108" />
<meta name="citation_issn" content="1936-959X" />
<meta name="citation_doi" content="10.3174/ajnr.A3132" />
<meta name="citation_pmid" content="22627797" />
<meta name="citation_volume" content="34" />
<meta name="citation_issue" content="1" />
<meta name="citation_article_type" content="Research Article" />
<meta name="citation_section" content="Extracranial Vascular" />
<meta name="citation_firstpage" content="177" />
<meta name="citation_lastpage" content="184" />
<meta name="citation_access" content="all" />
<meta name="citation_author" content="M. Etesami" />
<meta name="citation_author_institution" content="aFrom the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland" />
<meta name="citation_author" content="Y. Hoi" />
<meta name="citation_author_institution" content="bDepartment of Mechanical &amp; Industrial Engineering (Y.H., D.A.S.), University of Toronto, Toronto, Ontario, Canada" />
<meta name="citation_author" content="D.A. Steinman" />
<meta name="citation_author_institution" content="bDepartment of Mechanical &amp; Industrial Engineering (Y.H., D.A.S.), University of Toronto, Toronto, Ontario, Canada" />
<meta name="citation_author" content="S.K. Gujar" />
<meta name="citation_author_institution" content="aFrom the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland" />
<meta name="citation_author" content="A.E. Nidecker" />
<meta name="citation_author_institution" content="cDepartment of Radiology (A.E.N.), University of California Davis Medical Center, Sacramento, California" />
<meta name="citation_author" content="B.C. Astor" />
<meta name="citation_author_institution" content="dDepartments of Medicine and Population Health Sciences (B.C.A.), University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin" />
<meta name="citation_author" content="A. Portanova" />
<meta name="citation_author_institution" content="eSchool of Medicine (A.P.), University of Rochester Medical Center, Rochester, New York." />
<meta name="citation_author" content="Y. Qiao" />
<meta name="citation_author_institution" content="aFrom the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland" />
<meta name="citation_author" content="W.M.A. Abdalla" />
<meta name="citation_author_institution" content="aFrom the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland" />
<meta name="citation_author" content="B.A. Wasserman" />
<meta name="citation_author_institution" content="aFrom the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland" />
<meta name="citation_reference" content="citation_journal_title=Cerebrovasc Dis;citation_author=MG. Hennerici;citation_title=The unstable plaque;citation_pages=17-22;citation_volume=17;citation_year=2004;citation_pmid=14730254;citation_doi=10.1159/000075300" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_journal_abbrev=Stroke;citation_author=PM. Rothwell;citation_author=R. Gibson;citation_author=CP. Warlow;citation_title=Interrelation Between Plaque Surface Morphology and Degree of Stenosis on Carotid Angiograms and the Risk of Ischemic Stroke in Patients With Symptomatic Carotid Stenosis;citation_pages=615-621;citation_volume=31;citation_year=2000;citation_issue=3;citation_issn=0039-2499;citation_pmid=10700494;citation_doi=10.1161/01.STR.31.3.615" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_journal_abbrev=Stroke;citation_author=M. Eliasziw;citation_author=JY. Streifler;citation_author=AJ. Fox;citation_title=Significance of plaque ulceration in symptomatic patients with high- grade carotid stenosis. North American Symptomatic Carotid Endarterectomy Trial;citation_pages=304-308;citation_volume=25;citation_year=1994;citation_issue=2;citation_issn=0039-2499;citation_pmid=8303736;citation_doi=10.1161/01.STR.25.2.304" />
<meta name="citation_reference" content="citation_journal_title=American Journal of Neuroradiology;citation_journal_abbrev=Am. J. Neuroradiol.;citation_author=SG. Imbesi;citation_author=CW. Kerber;citation_title=Why do ulcerated atherosclerotic carotid artery plaques embolize? A flow dynamics study;citation_pages=761-766;citation_volume=19;citation_year=1998;citation_issue=4;citation_issn=0195-6108;citation_pmid=9576670" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_journal_abbrev=Stroke;citation_author=JY. Streifler;citation_author=M. Eliasziw;citation_author=AJ. Fox;citation_title=Angiographic detection of carotid plaque ulceration. Comparison with surgical observations in a multicenter study. North American Symptomatic Carotid Endarterectomy Trial;citation_pages=1130-1132;citation_volume=25;citation_year=1994;citation_issue=6;citation_issn=0039-2499;citation_pmid=8202969;citation_doi=10.1161/01.STR.25.6.1130" />
<meta name="citation_reference" content="citation_journal_title=Radiology;citation_journal_abbrev=Radiology;citation_author=JH. Edwards;citation_author=II. Kricheff;citation_author=T. Riles;citation_title=Angiographically Undetected Ulceration of the Carotid Bifurcation as a Cause of Embolic Stroke;citation_pages=369-373;citation_volume=132;citation_year=1979;citation_issue=2;citation_issn=0033-8419;citation_pmid=461794;citation_doi=10.1148/132.2.369" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_journal_abbrev=Stroke;citation_author=BC. Eikelboom;citation_author=TR. Riles;citation_author=R. Mintzer;citation_title=Inaccuracy of angiography in the diagnosis of carotid ulceration;citation_pages=882-885;citation_volume=14;citation_year=1983;citation_issue=6;citation_issn=0039-2499;citation_pmid=6658990" />
<meta name="citation_reference" content="citation_journal_title=Radiology;citation_journal_abbrev=Radiology;citation_author=B. Randoux;citation_author=B. Marro;citation_author=F. Koskas;citation_title=Carotid Artery Stenosis: Prospective Comparison of CT, Three-dimensional Gadolinium-enhanced MR, and Conventional Angiography;citation_pages=179-185;citation_volume=220;citation_year=2001;citation_issue=1;citation_issn=0033-8419;citation_pmid=11425993;citation_doi=10.1148/radiology.220.1.r01jl35179" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_author=PJ. Nederkoorn;citation_author=Y. van der Graaf;citation_author=MG. Hunink;citation_title=Duplex ultrasound and magnetic resonance angiography compared with digital subtraction angiography in carotid artery stenosis: a systematic review;citation_volume=34;citation_year=2003;citation_pmid=12690221;citation_doi=10.1161/01.STR.0000068367.08991.A2" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_journal_abbrev=Stroke;citation_author=PJ. Nederkoorn;citation_author=WP. Mali;citation_author=BC. Eikelboom;citation_title=Preoperative Diagnosis of Carotid Artery Stenosis: Accuracy of Noninvasive Testing;citation_pages=2003-2008;citation_volume=33;citation_year=2002;citation_issue=8;citation_issn=0039-2499;citation_pmid=12154253;citation_doi=10.1161/01.STR.0000021900.58396.44" />
<meta name="citation_reference" content="citation_journal_title=Clinical radiology;citation_journal_abbrev=Clin Radiol;citation_author=JM. U-King-Im;citation_author=R. Trivedi;citation_author=J. Cross;citation_title=Conventional digital subtraction x-ray angiography versus magnetic resonance angiography in the evaluation of carotid disease: patient satisfaction and preferences.;citation_pages=358-363;citation_volume=59;citation_year=2004;citation_issue=4;citation_pmid=15041456;citation_doi=10.1016/j.crad.2003.08.015" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_journal_abbrev=Stroke;citation_author=X. Leclerc;citation_author=O. Godefroy;citation_author=J. Pruvo;citation_title=Computed Tomographic Angiography for the Evaluation of Carotid Artery Stenosis;citation_pages=1577-1581;citation_volume=26;citation_year=1995;citation_issue=9;citation_issn=0039-2499;citation_pmid=7660401" />
<meta name="citation_reference" content="citation_journal_title=Radiology;citation_author=FM. Chappell;citation_author=JM. Wardlaw;citation_author=GR. Young;citation_title=Carotid artery stenosis: accuracy of noninvasive tests individual patient data meta-analysis;citation_volume=251;citation_year=2009;citation_pmid=19276319;citation_doi=10.1148/radiol.2512080284" />
<meta name="citation_reference" content="citation_journal_title=Lancet;citation_journal_abbrev=Lancet;citation_author=JM. Wardlaw;citation_author=FM. Chappell;citation_author=JJ. Best;citation_title=Non-invasive imaging compared with intra-arterial angiography in the diagnosis of symptomatic carotid stenosis: a meta-analysis.;citation_pages=1503-1512;citation_volume=367;citation_year=2006;citation_issue=9521;citation_pmid=16679163;citation_doi=10.1016/S0140-6736(06)68650-9" />
<meta name="citation_reference" content="citation_journal_title=Journal of magnetic resonance imaging :  JMRI;citation_journal_abbrev=J Magn Reson Imaging;citation_author=C. Fellner;citation_author=W. Lang;citation_author=R. Janka;citation_title=Magnetic resonance angiography of the carotid arteries using three different techniques: accuracy compared with intraarterial x-ray angiography and endarterectomy specimens.;citation_pages=424-431;citation_volume=21;citation_year=2005;citation_issue=4;citation_pmid=15779039;citation_doi=10.1002/jmri.20282" />
<meta name="citation_reference" content="citation_journal_title=Annals of vascular surgery;citation_journal_abbrev=Ann Vasc Surg;citation_author=BE. Muhs;citation_author=P. Gagne;citation_author=J. Wagener;citation_title=Gadolinium-enhanced versus time-of-flight magnetic resonance angiography: what is the benefit of contrast enhancement in evaluating carotid stenosis?;citation_pages=823-828;citation_volume=19;citation_year=2005;citation_issue=6;citation_pmid=16200470;citation_doi=10.1007/s10016-005-7974-2" />
<meta name="citation_reference" content="citation_journal_title=American Journal of Roentgenology;citation_journal_abbrev=Am. J. Roentgenol.;citation_author=F. Slosman;citation_author=AH. Stolpen;citation_author=FJ. Lexa;citation_title=Extracranial atherosclerotic carotid artery disease: evaluation of non- breath-hold three-dimensional gadolinium-enhanced MR angiography;citation_pages=489-495;citation_volume=170;citation_year=1998;citation_issue=2;citation_issn=0361-803X;citation_pmid=9456971" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_journal_abbrev=Stroke;citation_author=R. Wutke;citation_author=W. Lang;citation_author=C. Fellner;citation_title=High-Resolution, Contrast-Enhanced Magnetic Resonance Angiography With Elliptical Centric k-Space Ordering of Supra-aortic Arteries Compared With Selective X-Ray Angiography;citation_pages=1522-1529;citation_volume=33;citation_year=2002;citation_issue=6;citation_issn=0039-2499;citation_pmid=12052985;citation_doi=10.1161/01.STR.0000016972.70366.D6" />
<meta name="citation_reference" content="citation_journal_title=American Journal of Neuroradiology;citation_journal_abbrev=Am. J. Neuroradiol.;citation_author=PJ. Nederkoorn;citation_author=Y. van der Graaf;citation_author=BC. Eikelboom;citation_title=Time-of-Flight MR Angiography of Carotid Artery Stenosis: Does a Flow Void Represent Severe Stenosis?;citation_pages=1779-1784;citation_volume=23;citation_year=2002;citation_issue=10;citation_issn=0195-6108;citation_pmid=12427639" />
<meta name="citation_reference" content="citation_journal_title=British Journal of Radiology;citation_journal_abbrev=Br. J. Radiol.;citation_author=KJ. Ahn;citation_author=WJ. You;citation_author=JH. Lee;citation_title=Re-circulation artefact at the carotid bulb can be differentiated from true stenosis;citation_pages=551-556;citation_volume=77;citation_year=2004;citation_issue=919;citation_issn=0007-1285;citation_pmid=15238400;citation_doi=10.1259/bjr/70148212" />
<meta name="citation_reference" content="citation_journal_title=Journal of magnetic resonance imaging :  JMRI;citation_journal_abbrev=J Magn Reson Imaging;citation_author=BA. Wasserman;citation_author=BC. Astor;citation_author=AR. Sharrett;citation_title=MRI measurements of carotid plaque in the atherosclerosis risk in communities (ARIC) study: methods, reliability and descriptive statistics.;citation_pages=406-415;citation_volume=31;citation_year=2010;citation_issue=2;citation_pmid=20099354;citation_doi=10.1002/jmri.22043" />
<meta name="citation_reference" content="citation_journal_title=Journal of vascular surgery :  official publication, the Society for Vascular Surgery [and] International Society for Cardiovascular Surgery, North American Chapter;citation_journal_abbrev=J Vasc Surg;citation_author=A. Troyer;citation_author=D. Saloner;citation_author=XM. Pan;citation_title=Major carotid plaque surface irregularities correlate with neurologic symptoms.;citation_pages=741-747;citation_volume=35;citation_year=2002;citation_issue=4;citation_pmid=11932673;citation_doi=10.1067/mva.2002.121210" />
<meta name="citation_reference" content="citation_journal_title=Radiology;citation_journal_abbrev=Radiology;citation_author=JF. Polak;citation_author=DH. O'Leary;citation_author=RA. Kronmal;citation_title=Sonographic evaluation of carotid artery atherosclerosis in the elderly: relationship of disease severity to stroke and transient ischemic attack;citation_pages=363-370;citation_volume=188;citation_year=1993;citation_issue=2;citation_issn=0033-8419;citation_pmid=8327679" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_journal_abbrev=Stroke;citation_author=GB. Anderson;citation_author=R. Ashforth;citation_author=DE. Steinke;citation_title=CT Angiography for the Detection and Characterization of Carotid Artery Bifurcation Disease;citation_pages=2168-2174;citation_volume=31;citation_year=2000;citation_issue=9;citation_issn=0039-2499;citation_pmid=10978047" />
<meta name="citation_reference" content="citation_journal_title=J Cardiovasc Magn Reson;citation_author=W. Yu;citation_author=HR. Underhill;citation_author=MS. Ferguson;citation_title=The added value of longitudinal black-blood cardiovascular magnetic resonance angiography in the cross sectional identification of carotid atherosclerotic ulceration;citation_pages=31;citation_volume=18;citation_year=2009" />
<meta name="citation_reference" content="citation_journal_title=Radiology;citation_journal_abbrev=Radiology;citation_author=JH. Edwards;citation_author=II. Kricheff;citation_author=F. Gorstein;citation_title=Atherosclerotic Subintimai Hematoma of the Carotid Artery;citation_pages=123-129;citation_volume=133;citation_year=1979;citation_issue=1;citation_issn=0033-8419;citation_pmid=472280;citation_doi=10.1148/133.1.123" />
<meta name="citation_reference" content="citation_journal_title=New England Journal of Medicine;citation_journal_abbrev=NEJM;citation_title=Beneficial effect of carotid endarterectomy in symptomatic patients with high-grade carotid stenosis. North American Symptomatic Carotid Endarterectomy Trial Collaborators;citation_pages=445-453;citation_volume=325;citation_year=1991;citation_issue=7;citation_issn=0028-4793;citation_pmid=1852179;citation_doi=10.1056/NEJM199108153250701" />
<meta name="citation_reference" content="citation_title=Statistical Methods for Rates and Proportions;citation_author=J. Fleiss;citation_pages=218;citation_year=1981" />
<meta name="citation_reference" content="citation_journal_title=Annals of biomedical engineering;citation_journal_abbrev=Ann Biomed Eng;citation_author=DA. Steinman;citation_author=TL. Poepping;citation_author=M. Tambasco;citation_title=Flow patterns at the stenosed carotid bifurcation: effect of concentric versus eccentric stenosis.;citation_pages=415-423;citation_volume=28;citation_year=2000;citation_issue=4;citation_pmid=10870898;citation_doi=10.1114/1.279" />
<meta name="citation_reference" content="citation_journal_title=European radiology;citation_journal_abbrev=Eur Radiol;citation_author=EY. Wong;citation_author=HN. Nikolov;citation_author=ML. Thorne;citation_title=Clinical Doppler ultrasound for the assessment of plaque ulceration in the stenosed carotid bifurcation by detection of distal turbulence intensity: a matched model study.;citation_pages=2739-2749;citation_volume=19;citation_year=2009;citation_issue=11;citation_pmid=19547987;citation_doi=10.1007/s00330-009-1457-8" />
<meta name="citation_reference" content="citation_journal_title=Annals of biomedical engineering;citation_journal_abbrev=Ann Biomed Eng;citation_author=M. Tambasco;citation_author=DA. Steinman;citation_title=Path-dependent hemodynamics of the stenosed carotid bifurcation.;citation_pages=1054-1065;citation_volume=31;citation_year=2003;citation_issue=9;citation_pmid=14582608;citation_doi=10.1114/1.1603257" />
<meta name="citation_reference" content="citation_journal_title=Circulation;citation_author=JK. Lovett;citation_author=PJ. Gallagher;citation_author=LJ. Hands;citation_title=Histological correlates of carotid plaque surface morphology on lumen contrast imaging;citation_volume=110;citation_year=2004;citation_pmid=15466633;citation_doi=10.1161/01.CIR.0000144307.82502.32" />
<meta name="citation_reference" content="citation_journal_title=Stroke;citation_author=TT. de Weert;citation_author=S. Cretier;citation_author=HC. Groen;citation_title=Atherosclerotic plaque surface morphology in the carotid bifurcation assessed with multidetector computed tomography angiography;citation_volume=40;citation_year=2009;citation_pmid=19265048;citation_doi=10.1161/STROKEAHA.108.538439" />
<meta name="citation_reference" content="citation_journal_title=Cerebrovascular diseases (Basel, Switzerland);citation_journal_abbrev=Cerebrovasc Dis;citation_author=JK. Lovett;citation_author=PM. Rothwell;citation_title=Site of carotid plaque ulceration in relation to direction of blood flow: an angiographic and pathological study.;citation_pages=369-375;citation_volume=16;citation_year=2003;citation_issue=4;citation_pmid=13130178;citation_doi=10.1159/000072559" />
<meta name="citation_reference" content="citation_journal_title=American Journal of Neuroradiology;citation_journal_abbrev=Am. J. Neuroradiol.;citation_author=L. Saba;citation_author=G. Caddeo;citation_author=R. Sanfilippo;citation_title=CT and Ultrasound in the Study of Ulcerated Carotid Plaque Compared with Surgical Results: Potentialities and Advantages of Multidetector Row CT Angiography;citation_pages=1061-1066;citation_volume=28;citation_year=2007;citation_issue=6;citation_issn=0195-6108;citation_pmid=17569958;citation_doi=10.3174/ajnr.A0486" />
<meta name="citation_reference" content="citation_journal_title=Annual Review of Fluid Mechanics;citation_journal_abbrev=Annu. Rev. Fluid Mech.;citation_author=PN. Shankar;citation_author=MD. Deshpande;citation_title=Fluid Mechanics in the Driven Cavity;citation_pages=93-136;citation_volume=32;citation_year=2000;citation_issue=1;citation_issn=1545-4479;citation_doi=10.1146/annurev.fluid.32.1.93" />
<meta name="citation_fulltext_world_readable" content="" />
<meta name="twitter:title" content="Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques" />
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:image" content="http://ajnr-stage2.stage.highwire.org/sites/default/files/highwire/ajnr/34/1.cover-source.jpg" />
<meta name="twitter:description" content="BACKGROUND AND PURPOSE: Ulceration in carotid plaque is a risk indicator for ischemic stroke. Our aim was to compare plaque ulcer detection by standard TOF and CE-MRA techniques and to identify factors that influence its detection.

MATERIALS AND METHODS: Carotid MR imaging scans were acquired on 2066 participants in the ARIC study. We studied the 600 thickest plaques. TOF-MRA, CE-MRA, and black-blood MR images were analyzed together to define ulcer presence (plaque surface niche ≥2 mm in depth). Sixty ulcerated arteries were detected. These arteries were randomly assigned, along with 40 nonulcerated plaques from the remaining 540, for evaluation of ulcer presence by 2 neuroradiologists. Associations between ulcer detection and ulcer characteristics, including orientation, location, and size, were determined and explored by CFD modeling.

RESULTS: One CE-MRA and 3 TOF-MRAs were noninterpretable and excluded. Of 71 ulcers in 56 arteries, readers detected an average of 39 (55%) on both TOF-MRA and CE-MRA, 26.5 (37.5%) only on CE-MRA, and 1 (1.5%) only on TOF-MRA, missing 4.5 (6%) ulcers by both methods. Ulcer detection by TOF-MRA was associated with its orientation (distally pointing versus perpendicular: OR = 5.57 [95% CI, 1.08–28.65]; proximally pointing versus perpendicular: OR = 0.21 [95% CI, 0.14–0.29]); location relative to point of maximum stenosis (distal versus isolevel: OR = 5.17 [95% CI, 2.10–12.70]); and neck-to-depth ratio (OR = 1.96 [95% CI, 1.11–3.45]) after controlling for stenosis and ulcer volume.

CONCLUSIONS: CE-MRA detects more ulcers than TOF-MRA in carotid plaques. Missed ulcers on TOF-MRA are influenced by ulcer orientation, location relative to point of maximum stenosis, and neck-to-depth ratio.

ARIC
:   Atherosclerosis Risk in Communities
CE
:   contrast-enhanced
CFD
:   computational fluid dynamics
CI
:   confidence interval
FD
:   flow divider
IMT
:   intima-media thickness
IQ
:   image quality
MIP
:   maximum intensity projection
OR
:   odds ratio
TOF
:   time-of-flight" />
<meta name="og-title" property="og:title" content="Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques" />
<meta name="og-url" property="og:url" content="http://ajnr-stage2.stage.highwire.org/content/34/1/177" />
<meta name="og-site-name" property="og:site_name" content="American Journal of Neuroradiology" />
<meta name="og-description" property="og:description" content="BACKGROUND AND PURPOSE: Ulceration in carotid plaque is a risk indicator for ischemic stroke. Our aim was to compare plaque ulcer detection by standard TOF and CE-MRA techniques and to identify factors that influence its detection.

MATERIALS AND METHODS: Carotid MR imaging scans were acquired on 2066 participants in the ARIC study. We studied the 600 thickest plaques. TOF-MRA, CE-MRA, and black-blood MR images were analyzed together to define ulcer presence (plaque surface niche ≥2 mm in depth). Sixty ulcerated arteries were detected. These arteries were randomly assigned, along with 40 nonulcerated plaques from the remaining 540, for evaluation of ulcer presence by 2 neuroradiologists. Associations between ulcer detection and ulcer characteristics, including orientation, location, and size, were determined and explored by CFD modeling.

RESULTS: One CE-MRA and 3 TOF-MRAs were noninterpretable and excluded. Of 71 ulcers in 56 arteries, readers detected an average of 39 (55%) on both TOF-MRA and CE-MRA, 26.5 (37.5%) only on CE-MRA, and 1 (1.5%) only on TOF-MRA, missing 4.5 (6%) ulcers by both methods. Ulcer detection by TOF-MRA was associated with its orientation (distally pointing versus perpendicular: OR = 5.57 [95% CI, 1.08–28.65]; proximally pointing versus perpendicular: OR = 0.21 [95% CI, 0.14–0.29]); location relative to point of maximum stenosis (distal versus isolevel: OR = 5.17 [95% CI, 2.10–12.70]); and neck-to-depth ratio (OR = 1.96 [95% CI, 1.11–3.45]) after controlling for stenosis and ulcer volume.

CONCLUSIONS: CE-MRA detects more ulcers than TOF-MRA in carotid plaques. Missed ulcers on TOF-MRA are influenced by ulcer orientation, location relative to point of maximum stenosis, and neck-to-depth ratio.

ARIC
:   Atherosclerosis Risk in Communities
CE
:   contrast-enhanced
CFD
:   computational fluid dynamics
CI
:   confidence interval
FD
:   flow divider
IMT
:   intima-media thickness
IQ
:   image quality
MIP
:   maximum intensity projection
OR
:   odds ratio
TOF
:   time-of-flight" />
<meta name="og-type" property="og:type" content="article" />
<meta name="og-image" property="og:image" content="http://ajnr-stage2.stage.highwire.org/sites/default/files/highwire/ajnr/34/1.cover-source.jpg" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="alternate" type="application/vnd.ms-powerpoint" title="Powerpoint" href="/content/34/1/177.ppt" />
<link rel="alternate" type="text/plain" title="Full Text (Plain)" href="/content/34/1/177.full.txt" />
<link rel="alternate" type="application/pdf" title="Full Text (PDF)" href="/content/34/1/177.full.pdf" />
<link rel="canonical" href="http://ajnr-stage2.stage.highwire.org/content/34/1/177" />
<script>window.dataLayer = window.dataLayer || [];window.dataLayer.push({"page":{"hwTitle":"Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques","hwUrl":"http://ajnr-stage2.stage.highwire.org/content/34/1/177","hwPath":"/content/34/1/177/tab-supplemental","hwType":"journal page"},"user":{"hwMemberID":"","hwLoggedIntoInstitutionID":"","hwLoggedIntoInstitution":"","hwAccessUsageTerms":"guest","hwRegisteredUser":"no","hwHasFullTextAccess":"yes","hwEntitled":"no"},"content":{"hwIssueDate":"2013-01-01","hwIssueDateTime":"2013-01-01 00:00:00","hwPublicationDate":"2013-01-11","hwPublicationDateTime":"2013-01-11 08:02:07","hwNlmArticleType":"research-article","hwDOI":"10.3174/ajnr.A3132","hwAuthors":"M. Etesami,Y. Hoi,D.A. Steinman,S.K. Gujar,A.E. Nidecker,B.C. Astor,A. Portanova,Y. Qiao,W.M.A. Abdalla,B.A. Wasserman","hwContributors":"","hwIsEarlyRelease":"no","hwEissn":"1936-959X","hwPissn":"0195-6108","hwVolume":"34","hwIssue":"1","hwArticleType":"Extracranial Vascular","hwTabView":"main_tab","hwViewType":"full","hwAccessType":"OpenAccess","hwOpenAccess":"yes","hwFreeAccess":"yes","hwTaxonomy":"","hwCorpusCode":"ajnr","hwType":"article","hwSubtitle":null,"hwOverline":null,"hwPisaId":"ajnr;34/1/177","hwFirstPage":"177","hwLastPage":"184","hwIsLatestVersion":"yes","hwIsCurrentIssue":"no","hwIsOpenIssue":"no","hwHasFullText":"yes","hwHasPDF":"yes","hwParentTitle":"American Journal of Neuroradiology: 34 (1)","hwElectronicPubDate":"2013-01-11","hwElectronicPubDateTime":"2013-01-11 08:02:07"}});
//--><!]]></script>
    <title>Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques | American Journal of Neuroradiology</title>  
    <link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__BJ6Ou6QsBRtnFTmxaakamOIS8n4QswDP2XnnZ1sxtaM__NBuvkP6eInGIkb1aJvUHx5PX79XApuxBDkk_77W5tYk__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__azeXjFYQUa4gTbdEg4sgM2osudOlAYwVv6vNmRXI3ac__zr83wx5lNxUVx-jSIFm8RDKOeMAB7RbaBxriFHS3dt4__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__Ep75tNOnm8H2Mejav16FnGCfM1sLwyporbQrCIgwg3g__vXGjszfa0bvxzymQ8Cfns-o2huFvm80jp3igN8XcYeI__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__TKi6DXKzgLPdEthh1Tnc63zY1QF4rLZHoM06Xy7VN6g__zaEHphFiBcrl8WVy_4n080y02dQ7HKxd_aqZbYgQ5Z0__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<link type="text/css" rel="stylesheet" href="/sites/all/modules/highwire/highwire/highwire.style.highwire.css?sycxuq" media="all" />
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__GCZYdoBJPkDPT11tDlq7l1SGMSI3i0pLRfwcRaDqjiw__1qMCzNFZKnaaDU1HkjUXfw159S5M5q2EDcw2MTzz3I4__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<link type="text/css" rel="stylesheet" href="//cdn.jsdelivr.net/qtip2/2.2.1/jquery.qtip.min.css" media="all" />
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__n6immcbFGHUyREsHs1QqY_W6CwI_fBjAiqk1kSw_TLk__OCnLRdd3X-ussp_qruJLv8g1F0mrp4lAVEWRv6BkGRo__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<style type="text/css" media="all">
/* <![CDATA[ */
#sliding-popup.sliding-popup-bottom,#sliding-popup.sliding-popup-bottom .eu-cookie-withdraw-banner,.eu-cookie-withdraw-tab{background:#000000;}#sliding-popup.sliding-popup-bottom.eu-cookie-withdraw-wrapper{background:transparent}#sliding-popup .popup-content #popup-text h1,#sliding-popup .popup-content #popup-text h2,#sliding-popup .popup-content #popup-text h3,#sliding-popup .popup-content #popup-text p,.eu-cookie-compliance-secondary-button,.eu-cookie-withdraw-tab{color:#ffffff !important;}.eu-cookie-withdraw-tab{border-color:#ffffff;}.eu-cookie-compliance-more-button{color:#ffffff !important;}

/* ]]> */
</style>

<!--[if lte IE 7]>
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__ElJr3PIJEvw3qLXc1cnYiLj2G4KgDPSXFOfm6Phf8hw__JdWGm15cDWjsK6KrFlQVXQix9YgNeYysf22XZHj-Y-c__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<![endif]-->
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__Wnlyen9qEpwh_Qaf9okEu4QdVGM0BDothxeqA6Nbvo8__EJmw6SZD9bYoS8jocCpPYS3JFRURpdzmuvJoAUNiI-g__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__nv7Hafs9UucfV8bmT4epWF4zWAFU2G9JLHVgOOHDqbA__k9QUw6MohZGXV0YlzqvUpPTbyzhbizsKOi4x3aA7Tx0__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />

<!--[if (lt IE 9)&(!IEMobile)]>
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__XH6bpcI0f2dImc-p674DLCZtWBGb-QwxJK1YexVGtno__vUceGprdo5nIhV6DH93X7fI3r8RcTJbChbas9TQXeW4__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<![endif]-->

<!--[if gte IE 9]><!-->
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__2WBMox6sOrN42ss5lCnH7WWVRdFdJCxtTKnQJYRwTE4__yqNvNYLvMpjy3ffuJrjjm9uW2i-Me1c23KLYuWHaqio__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
<!--<![endif]-->
<link type="text/css" rel="stylesheet" href="/sites/default/files/advagg_css/css__wxg7u6KrkAKrph8zjmzjNAiqxtVP2vhMWX2NZ6DPPZE__ECvRNuvDf2Tm_Pc-j1mEkt48QjmIz2s2CyWDspWAhhI__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.css" media="all" />
    <script type="text/javascript">
<!--//--><![CDATA[//><!--
/*!
 * yepnope1.5.4
 * (c) WTFPL, GPLv2
 */
(function(a,b,c){function d(a){return"[object Function]"==o.call(a)}function e(a){return"string"==typeof a}function f(){}function g(a){return!a||"loaded"==a||"complete"==a||"uninitialized"==a}function h(){var a=p.shift();q=1,a?a.t?m(function(){("c"==a.t?B.injectCss:B.injectJs)(a.s,0,a.a,a.x,a.e,1)},0):(a(),h()):q=0}function i(a,c,d,e,f,i,j){function k(b){if(!o&&g(l.readyState)&&(u.r=o=1,!q&&h(),l.onload=l.onreadystatechange=null,b)){"img"!=a&&m(function(){t.removeChild(l)},50);for(var d in y[c])y[c].hasOwnProperty(d)&&y[c][d].onload()}}var j=j||B.errorTimeout,l=b.createElement(a),o=0,r=0,u={t:d,s:c,e:f,a:i,x:j};1===y[c]&&(r=1,y[c]=[]),"object"==a?l.data=c:(l.src=c,l.type=a),l.width=l.height="0",l.onerror=l.onload=l.onreadystatechange=function(){k.call(this,r)},p.splice(e,0,u),"img"!=a&&(r||2===y[c]?(t.insertBefore(l,s?null:n),m(k,j)):y[c].push(l))}function j(a,b,c,d,f){return q=0,b=b||"j",e(a)?i("c"==b?v:u,a,b,this.i++,c,d,f):(p.splice(this.i++,0,a),1==p.length&&h()),this}function k(){var a=B;return a.loader={load:j,i:0},a}var l=b.documentElement,m=a.setTimeout,n=b.getElementsByTagName("script")[0],o={}.toString,p=[],q=0,r="MozAppearance"in l.style,s=r&&!!b.createRange().compareNode,t=s?l:n.parentNode,l=a.opera&&"[object Opera]"==o.call(a.opera),l=!!b.attachEvent&&!l,u=r?"object":l?"script":"img",v=l?"script":u,w=Array.isArray||function(a){return"[object Array]"==o.call(a)},x=[],y={},z={timeout:function(a,b){return b.length&&(a.timeout=b[0]),a}},A,B;B=function(a){function b(a){var a=a.split("!"),b=x.length,c=a.pop(),d=a.length,c={url:c,origUrl:c,prefixes:a},e,f,g;for(f=0;f<d;f++)g=a[f].split("="),(e=z[g.shift()])&&(c=e(c,g));for(f=0;f<b;f++)c=x[f](c);return c}function g(a,e,f,g,h){var i=b(a),j=i.autoCallback;i.url.split(".").pop().split("?").shift(),i.bypass||(e&&(e=d(e)?e:e[a]||e[g]||e[a.split("/").pop().split("?")[0]]),i.instead?i.instead(a,e,f,g,h):(y[i.url]?i.noexec=!0:y[i.url]=1,f.load(i.url,i.forceCSS||!i.forceJS&&"css"==i.url.split(".").pop().split("?").shift()?"c":c,i.noexec,i.attrs,i.timeout),(d(e)||d(j))&&f.load(function(){k(),e&&e(i.origUrl,h,g),j&&j(i.origUrl,h,g),y[i.url]=2})))}function h(a,b){function c(a,c){if(a){if(e(a))c||(j=function(){var a=[].slice.call(arguments);k.apply(this,a),l()}),g(a,j,b,0,h);else if(Object(a)===a)for(n in m=function(){var b=0,c;for(c in a)a.hasOwnProperty(c)&&b++;return b}(),a)a.hasOwnProperty(n)&&(!c&&!--m&&(d(j)?j=function(){var a=[].slice.call(arguments);k.apply(this,a),l()}:j[n]=function(a){return function(){var b=[].slice.call(arguments);a&&a.apply(this,b),l()}}(k[n])),g(a[n],j,b,n,h))}else!c&&l()}var h=!!a.test,i=a.load||a.both,j=a.callback||f,k=j,l=a.complete||f,m,n;c(h?a.yep:a.nope,!!i),i&&c(i)}var i,j,l=this.yepnope.loader;if(e(a))g(a,0,l,0);else if(w(a))for(i=0;i<a.length;i++)j=a[i],e(j)?g(j,0,l,0):w(j)?B(j):Object(j)===j&&h(j,l);else Object(a)===a&&h(a,l)},B.addPrefix=function(a,b){z[a]=b},B.addFilter=function(a){x.push(a)},B.errorTimeout=1e4,null==b.readyState&&b.addEventListener&&(b.readyState="loading",b.addEventListener("DOMContentLoaded",A=function(){b.removeEventListener("DOMContentLoaded",A,0),b.readyState="complete"},0)),a.yepnope=k(),a.yepnope.executeStack=h,a.yepnope.injectJs=function(a,c,d,e,i,j){var k=b.createElement("script"),l,o,e=e||B.errorTimeout;k.src=a;for(o in d)k.setAttribute(o,d[o]);c=j?h:c||f,k.onreadystatechange=k.onload=function(){!l&&g(k.readyState)&&(l=1,c(),k.onload=k.onreadystatechange=null)},m(function(){l||(l=1,c(1))},e),i?k.onload():n.parentNode.insertBefore(k,n)},a.yepnope.injectCss=function(a,c,d,e,g,i){var e=b.createElement("link"),j,c=i?h:c||f;e.href=a,e.rel="stylesheet",e.type="text/css";for(j in d)e.setAttribute(j,d[j]);g||(n.parentNode.insertBefore(e,n),m(c,0))}})(this,document);

//--><!]]>
</script>
<script type="text/javascript" src="/sites/all/libraries/modernizr/modernizr.min.js?sycxuq"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
yepnope({
  test: Modernizr.matchmedia,
  nope: '/sites/all/libraries/media-match/media.match.min.js'
});
//--><!]]>
</script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__wH8myWXKi4A-QKdUKDXzJAnGs-FRS1A2ZzTTNzjRAdI__4MCtOZK_Ov0QKyRlXNLGQ2LRlYRGWj9ArT-NpFox3QA__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
var googletag = googletag || {};
googletag.cmd = googletag.cmd || [];
googletag.slots = googletag.slots || {};
//--><!]]>
</script>
<script type="text/javascript" src="//securepubads.g.doubleclick.net/tag/js/gpt.js"></script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__9ici6QMeDS-cROq8R0RhuICsMGMP2wcJZNQQFsqQi44__kScSwG4RXGl1LXnj4qqt0ZxtNX4Gh2TK5W-o8Uup4SA__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__fwhbnUWIxW-jFl55E2mBYVtZTjGhJ1JWyZYAJ2cEd3A__jCrCuWCJIPYPe1FzZoUvsJWEjkNMmRIQHYek1h7idBE__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
googletag.slots["rhs"] = googletag.defineSlot("/446583111/RHS_300x250", [300, 250], "dfp-ad-rhs")
  .addService(googletag.pubads());
//--><!]]>
</script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__UR8BHznwml64Vq0ijSGFwlm-xe9ttj1aripHInFCOLw__irCalsu-H_fRTOPqjyCv1O8Ax7fqY6DDf-uMOV1dvGY__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
var mapping = googletag.sizeMapping()
  .addSize([768, 0], [728, 90])
  .addSize([0, 0], [300, 50])
  .build();
googletag.slots["bottom_leaderboard"] = googletag.defineSlot("/446583111/Bottom_Banner_728x90", [[728, 90], [300, 50]], "dfp-ad-bottom_leaderboard")
  .addService(googletag.pubads())
  .defineSizeMapping(mapping);
//--><!]]>
</script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__bQc6kyz_Gw2afC1F6wguCBh8Z8nev-hxX6F2Tw4bq6k__CO2faEsYCquY82rVj6as9HScSnogGHeR-oh5fSQydG0__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
var mapping = googletag.sizeMapping()
  .addSize([768, 0], [728, 90])
  .addSize([0, 0], [300, 50])
  .build();
googletag.slots["top_leaderboard"] = googletag.defineSlot("/446583111/Top_Leaderboard_728x90", [[728, 90], [300, 50]], "dfp-ad-top_leaderboard")
  .addService(googletag.pubads())
  .defineSizeMapping(mapping);
//--><!]]>
</script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__wS6WUeF11NLeJgCqxc-dMvjhALAMQG1jlaeWdG8yVZc__CPiombDS21ooaYdmqHXdcMoJwB2FMn18JzO97LewQxc__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
document.createElement( "picture" );
//--><!]]>
</script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__UK1ygaa8bCfT-jsjqYRdRLDZ5N17950T7K5WPC9XtpI__NqLYT1T1SMBsKukLWIe82VgCZYYCMHZX_f609-a1rj8__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
googletag.cmd.push(function() {
  googletag.pubads().enableAsyncRendering();
  googletag.pubads().enableSingleRequest();
  googletag.pubads().collapseEmptyDivs();
  googletag.pubads().addEventListener("slotRenderEnded", function (event) {
    if (event.isEmpty) {
      var id = event.slot.getSlotElementId();
      var x = document.getElementById(id);
      if (x.parentElement.classList.contains("dfp-tag-wrapper")) {
        x.parentElement.style.display = "none";
      }
    }
  });
  googletag.pubads().setTargeting("page:hwTitle", "Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques");
  googletag.pubads().setTargeting("page:hwUrl", "http://ajnr-stage2.stage.highwire.org/content/34/1/177");
  googletag.pubads().setTargeting("page:hwPath", "/content/34/1/177/tab-supplemental");
  googletag.pubads().setTargeting("page:hwType", "journal page");
  googletag.pubads().setTargeting("user:hwAccessUsageTerms", "guest");
  googletag.pubads().setTargeting("user:hwRegisteredUser", "no");
  googletag.pubads().setTargeting("user:hwHasFullTextAccess", "yes");
  googletag.pubads().setTargeting("user:hwEntitled", "no");
  googletag.pubads().setTargeting("content:hwIssueDate", "2013-01-01");
  googletag.pubads().setTargeting("content:hwIssueDateTime", "2013-01-01 00:00:00");
  googletag.pubads().setTargeting("content:hwPublicationDate", "2013-01-11");
  googletag.pubads().setTargeting("content:hwPublicationDateTime", "2013-01-11 08:02:07");
  googletag.pubads().setTargeting("content:hwNlmArticleType", "research-article");
  googletag.pubads().setTargeting("content:hwDOI", "10.3174/ajnr.A3132");
  googletag.pubads().setTargeting("content:hwAuthors", ["M. Etesami","Y. Hoi","D.A. Steinman","S.K. Gujar","A.E. Nidecker","B.C. Astor","A. Portanova","Y. Qiao","W.M.A. Abdalla","B.A. Wasserman"]);
  googletag.pubads().setTargeting("content:hwIsEarlyRelease", "no");
  googletag.pubads().setTargeting("content:hwEissn", "1936-959X");
  googletag.pubads().setTargeting("content:hwPissn", "0195-6108");
  googletag.pubads().setTargeting("content:hwVolume", "34");
  googletag.pubads().setTargeting("content:hwIssue", "1");
  googletag.pubads().setTargeting("content:hwArticleType", "Extracranial Vascular");
  googletag.pubads().setTargeting("content:hwTabView", "main_tab");
  googletag.pubads().setTargeting("content:hwViewType", "full");
  googletag.pubads().setTargeting("content:hwAccessType", "OpenAccess");
  googletag.pubads().setTargeting("content:hwOpenAccess", "yes");
  googletag.pubads().setTargeting("content:hwFreeAccess", "yes");
  googletag.pubads().setTargeting("content:hwCorpusCode", "ajnr");
  googletag.pubads().setTargeting("content:hwType", "article");
  googletag.pubads().setTargeting("content:hwPisaId", "ajnr;34/1/177");
  googletag.pubads().setTargeting("content:hwFirstPage", "177");
  googletag.pubads().setTargeting("content:hwLastPage", "184");
  googletag.pubads().setTargeting("content:hwIsLatestVersion", "yes");
  googletag.pubads().setTargeting("content:hwIsCurrentIssue", "no");
  googletag.pubads().setTargeting("content:hwIsOpenIssue", "no");
  googletag.pubads().setTargeting("content:hwHasFullText", "yes");
  googletag.pubads().setTargeting("content:hwHasPDF", "yes");
  googletag.pubads().setTargeting("content:hwParentTitle", "American Journal of Neuroradiology: 34 (1)");
  googletag.pubads().setTargeting("content:hwElectronicPubDate", "2013-01-11");
  googletag.pubads().setTargeting("content:hwElectronicPubDateTime", "2013-01-11 08:02:07");
});

googletag.enableServices();
//--><!]]>
</script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__3vwOA0BwlnyBkt9H4CLg6FgNyKAh--OmfOxFOIu_5S4__EXTgktcHbQ7BQfelY6CnrqgPRc4i4eD6XcZ4i3xs5RU__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript" async="async" src="https://scholar.google.com/scholar_js/casa.js"></script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__9KVl25y7_YSWsHd8MJxANuoBa2gQO2D6JActjFaWm7Y__xYFBh175l8jQKFw3m-HycL27WpXn5AhyqmE54lX1y5k__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript" src="https://www.google.com/recaptcha/api.js?hl=en&amp;render=explicit&amp;onload=drupalRecaptchaOnload"></script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__4ykqVVdSaGtVGauctG3E3Uojp_237f35KQ7wMtKX9S4__4JHByHSitU6UdWxmWARTSoZyB2PFgzkw__raxGdvbvk__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--

      $(document).ready(function() {
          $.getJSON("//www.deepdyve.com/rental-link?docId=10.3174/ajnr.A3132&journal=1936-959X&fieldName=journal_doi&affiliateId=asnr&format=jsonp&callback=?", function(data) {
            if (data.status === "ok") {
              // Update the href url so it goes straight to the article page
              $(".js-deepdyve-link a").attr("href", data.url);
              $(".js-deepdyve-link").show();
            } else if (data.status === "not_found") {
              $(".js-deepdyve-link").hide();
            }
          });
        });
//--><!]]>
</script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__msHj38UGaDSh75fm0y4NZQL34TdP45x2BK1FdKTv6ZM__C89OzFxPAWvHKPA2LSTrninkZhH68bcfaE1RL2F3atw__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript" src="//cdn.jsdelivr.net/qtip2/2.2.1/jquery.qtip.min.js"></script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__DB1qE9oPA7BmkZgUlfWOGlpBCMBBy9vo9Y3Q5EVKkjg__qxHOHuuCB_A7KuBHI2XD3Xrp0bLFZN25UhOoa5zY4OQ__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript" async="async" src="https://www.googletagmanager.com/gtag/js?id=G-4CRTLTY8KW"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
window.dataLayer = window.dataLayer || [];function gtag(){dataLayer.push(arguments)};gtag("js", new Date());gtag("set", "developer_id.dMDhkMT", true);gtag("config", "G-4CRTLTY8KW", {"groups":"default","anonymize_ip":true});
//--><!]]>
</script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__xwmR_XUqgIHdKocIkn2GiqYMVWJ0gY7OwpoARPRxEYM__CdSkXbn46iKUJfVct1nUx50N8MQ35eZOCMya9EuGbeU__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__156__G_TX0wWbp2x4EuISKOgbs4NaeHZ2KmXq85T6UI__w2izI_4UeJKq2XZJo79kNkQyxp_-2ptYjzA3YJcr-tg__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__az53Pz-SG0wejB-7UDzC-AbKqNFb4dAiZbq9Ymbj0sY__8FyXs8A34T1jX6OUXsgX27-4ASoy8QDncslXiOc2PK4__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
jQuery.extend(Drupal.settings, {"basePath":"\/","pathPrefix":"","ajaxPageState":{"theme":"jcore_1","theme_token":"C56sz6u84e2ccI8GyWn90euw0ziL_Ry7cBOena_UwOQ","js":{"sites\/all\/libraries\/modernizr\/modernizr.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/jquery\/1.8\/jquery.min.js":1,"misc\/jquery-extend-3.4.0.js":1,"misc\/jquery.once.js":1,"misc\/drupal.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.core.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.widget.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.button.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.mouse.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.draggable.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.position.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.resizable.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.dialog.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.tooltip.min.js":1,"sites\/all\/modules\/contrib\/jquery_update\/replace\/ui\/ui\/minified\/jquery.ui.accordion.min.js":1,"sites\/all\/libraries\/jquery.bgiframe\/jquery.bgiframe.js":1,"sites\/all\/libraries\/jquery.hoverIntent\/jquery.hoverIntent.js":1,"sites\/all\/libraries\/superfish\/superfish.js":1,"sites\/all\/modules\/contrib\/nice_menus\/js\/nice_menus.js":1,"sites\/all\/modules\/contrib\/eu_cookie_compliance\/js\/jquery.cookie-1.4.1.min.js":1,"sites\/all\/modules\/highwire\/highwire\/js\/highwire.equal-heights.js":1,"sites\/all\/modules\/highwire\/highwire\/js\/highwire.panels-ajax-tab.js":1,"sites\/all\/libraries\/colorbox\/jquery.colorbox-min.js":1,"sites\/all\/modules\/contrib\/colorbox\/js\/colorbox.js":1,"sites\/all\/modules\/contrib\/colorbox\/styles\/default\/colorbox_style.js":1,"https:\/\/scholar.google.com\/scholar_js\/casa.js":1,"sites\/all\/modules\/highwire\/highwire\/highwire_log\/highwire_log.js":1,"sites\/all\/modules\/highwire\/highwire\/highwire_user\/js\/highwire_user_meta.js":1,"sites\/all\/modules\/contrib\/panels_ajax_tab\/js\/panels_ajax_tab.js":1,"sites\/all\/modules\/contrib\/captcha\/captcha.js":1,"misc\/textarea.js":1,"sites\/all\/modules\/contrib\/recaptcha\/js\/recaptcha.js":1,"https:\/\/www.google.com\/recaptcha\/api.js?hl=en\u0026render=explicit\u0026onload=drupalRecaptchaOnload":1,"sites\/all\/modules\/highwire\/highwire\/highwire_citation\/plugins\/content_types\/js\/highwire_citation_export.js":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/js\/highwire_share_dialog.js":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/js\/minipanel_dialog_link.js":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/js\/clipboard.min.js":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/js\/highwire_clipboard.js":1,"sites\/all\/modules\/contrib\/service_links\/js\/twitter_button.js":1,"sites\/all\/modules\/contrib\/service_links\/js\/facebook_like.js":1,"sites\/all\/modules\/contrib\/service_links\/js\/google_plus_one.js":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/js\/highwire_article_nav.js":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/js\/highwire_nav_float.js":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/js\/highwire_citing_links.js":1,"sites\/all\/modules\/highwire\/highwire\/highwire_search\/plugins\/content_types\/js\/highwire_search_similar_articles.js":1,"sites\/all\/modules\/contrib\/panels_accordion\/js\/panels_accordion.js":1,"sites\/all\/modules\/highwire\/highwire\/js\/highwire.article-citation-access.js":1,"\/\/cdn.jsdelivr.net\/qtip2\/2.2.1\/jquery.qtip.min.js":1,"sites\/all\/modules\/highwire\/highwire\/js\/highwire.article-citation-author-tooltip.js":1,"sites\/all\/modules\/highwire\/highwire\/highwire_responsive\/plugins\/styles\/highwire_responsive_toggle\/highwire_responsive_toggle.js":1,"sites\/all\/modules\/contrib\/google_analytics\/googleanalytics.js":1,"https:\/\/www.googletagmanager.com\/gtag\/js?id=G-4CRTLTY8KW":1,"sites\/all\/themes\/highwire\/jcore_1\/js\/theme-scripts.js":1,"sites\/all\/modules\/highwire\/highwire\/highwire_responsive\/js\/highwire-mediaqueries.js":1,"sites\/all\/libraries\/enquire.js\/enquire.min.js":1,"sites\/all\/modules\/contrib\/picture\/picturefill2\/picturefill.min.js":1,"sites\/all\/modules\/contrib\/picture\/picture.min.js":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/js\/highwire_panels_ajax_tab.js":1,"sites\/all\/modules\/highwire\/highwire\/highwire_user\/plugins\/content_types\/js\/highwire_user_salutation.js":1,"sites\/all\/modules\/contrib\/eu_cookie_compliance\/js\/eu_cookie_compliance.js":1,"http:\/\/securepubads.g.doubleclick.net\/tag\/js\/gpt.js":1,"sites\/all\/modules\/highwire\/highwire\/js\/highwire.gtranslate.js":1,"sites\/all\/modules\/highwire\/highwire\/highwire_datalayer\/js\/highwire_datalayer.js":1,"sites\/all\/themes\/contrib\/omega\/omega\/js\/jquery.formalize.js":1,"sites\/all\/themes\/contrib\/omega\/omega\/js\/omega-mediaqueries.js":1,"sites\/all\/themes\/contrib\/omega\/omega\/js\/omega-equalheights.js":1},"css":{"modules\/system\/system.base.css":1,"modules\/system\/system.menus.css":1,"modules\/system\/system.messages.css":1,"modules\/system\/system.theme.css":1,"misc\/ui\/jquery.ui.core.css":1,"misc\/ui\/jquery.ui.theme.css":1,"misc\/ui\/jquery.ui.button.css":1,"misc\/ui\/jquery.ui.resizable.css":1,"misc\/ui\/jquery.ui.dialog.css":1,"misc\/ui\/jquery.ui.tooltip.css":1,"misc\/ui\/jquery.ui.accordion.css":1,"sites\/all\/modules\/contrib\/date\/date_api\/date.css":1,"sites\/all\/modules\/contrib\/date\/date_popup\/themes\/datepicker.1.7.css":1,"modules\/field\/theme\/field.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire_draw\/css\/highwire-draw.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire_folders\/highwire_folders.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire_responsive\/css\/highwire-responsive.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire_saved_searches\/highwire_saved_searches.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire_user\/highwire_user.css":1,"modules\/node\/node.css":1,"sites\/all\/modules\/contrib\/picture\/picture_wysiwyg.css":1,"modules\/search\/search.css":1,"modules\/user\/user.css":1,"sites\/all\/modules\/contrib\/views\/css\/views.css":1,"sites\/all\/modules\/contrib\/ckeditor\/css\/ckeditor.css":1,"sites\/all\/modules\/contrib\/colorbox\/styles\/default\/colorbox_style.css":1,"sites\/all\/modules\/contrib\/ctools\/css\/ctools.css":1,"sites\/all\/modules\/contrib\/google_admanager\/google_admanager.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire.style.highwire.css":1,"sites\/all\/modules\/highwire\/highwire\/css\/nlm-elements.css":1,"sites\/all\/modules\/contrib\/panels\/css\/panels.css":1,"public:\/\/ctools\/css\/263bfdb18936424f0ade19d6bd885f37.css":1,"sites\/all\/modules\/contrib\/panels_ajax_tab\/css\/panels_ajax_tab.css":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/layouts\/highwire_2col_stacked\/highwire-2col-stacked.css":1,"sites\/all\/modules\/contrib\/forward\/forward.css":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/css\/highwire_share_link.css":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/css\/highwire_copy_permalink.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire.style.markup.css":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/css\/highwire_citing_links.css":1,"sites\/all\/modules\/highwire\/highwire\/plugins\/content_types\/css\/highwire_reports_feed.css":1,"sites\/all\/modules\/highwire\/highwire\/css\/highwire-article-citation-list.css":1,"\/\/cdn.jsdelivr.net\/qtip2\/2.2.1\/jquery.qtip.min.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire_responsive\/plugins\/styles\/highwire_responsive_toggle\/highwire_responsive_toggle.css.less":1,"sites\/all\/modules\/contrib\/nice_menus\/css\/nice_menus.css":1,"sites\/all\/modules\/contrib\/nice_menus\/css\/nice_menus_default.css":1,"sites\/all\/modules\/contrib\/panels\/plugins\/layouts\/onecol\/onecol.css":1,"sites\/all\/modules\/contrib\/eu_cookie_compliance\/css\/eu_cookie_compliance.css":1,"sites\/all\/modules\/highwire\/highwire\/css\/highwire.gtranslate.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire_theme_tools\/css\/font-hwicons.css":1,"sites\/all\/modules\/highwire\/highwire\/highwire_theme_tools\/css\/font-hwicons-glyphs.css":1,"sites\/all\/themes\/highwire\/jcore_1\/eu_cookie_compliance.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/font-awesome-ie7.css":1,"sites\/all\/themes\/contrib\/omega\/alpha\/css\/alpha-reset.css":1,"sites\/all\/themes\/contrib\/omega\/alpha\/css\/alpha-mobile.css":1,"sites\/all\/themes\/contrib\/omega\/alpha\/css\/alpha-alpha.css":1,"sites\/all\/themes\/contrib\/omega\/omega\/css\/formalize.css":1,"sites\/all\/themes\/contrib\/omega\/omega\/css\/omega-text.css":1,"sites\/all\/themes\/contrib\/omega\/omega\/css\/omega-branding.css":1,"sites\/all\/themes\/contrib\/omega\/omega\/css\/omega-menu.css":1,"sites\/all\/themes\/contrib\/omega\/omega\/css\/omega-forms.css":1,"sites\/all\/modules\/highwire\/highwire\/css\/highwire-forms.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/mobile-reset.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/font-awesome.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/forms.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/global.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/jquery-ui-elements.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/text.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/eletters.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/colors.css.less":1,"ie::normal::sites\/all\/themes\/highwire\/jcore_1\/css\/jcore-1-jcore-default.css":1,"ie::normal::sites\/all\/themes\/highwire\/jcore_1\/css\/jcore-1-jcore-default-normal.css":1,"ie::normal::sites\/all\/themes\/highwire\/jcore_1\/css\/grid\/jcore_default\/normal\/jcore-default-normal-30.css":1,"narrow::sites\/all\/themes\/highwire\/jcore_1\/css\/jcore-1-jcore-default.css":1,"narrow::sites\/all\/themes\/highwire\/jcore_1\/css\/jcore-1-jcore-default-narrow.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/grid\/jcore_default\/narrow\/jcore-default-narrow-30.css":1,"normal::sites\/all\/themes\/highwire\/jcore_1\/css\/jcore-1-jcore-default.css":1,"normal::sites\/all\/themes\/highwire\/jcore_1\/css\/jcore-1-jcore-default-normal.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/grid\/jcore_default\/normal\/jcore-default-normal-30.css":1,"wide::sites\/all\/themes\/highwire\/jcore_1\/css\/jcore-1-jcore-default.css":1,"wide::sites\/all\/themes\/highwire\/jcore_1\/css\/jcore-1-jcore-default-wide.css":1,"sites\/all\/themes\/highwire\/jcore_1\/css\/grid\/jcore_default\/wide\/jcore-default-wide-30.css":1,"sites\/all\/modules\/shared\/jnl_ajnr_styles\/css\/jnl-ajnr-styles.css.less":1,"sites\/all\/modules\/shared\/jnl_ajnr_styles\/css\/jnl-ajnr-breakpoints.css.less":1}},"colorbox":{"opacity":"0.85","current":"{current} of {total}","previous":"\u00ab Prev","next":"Next \u00bb","close":"Close","maxWidth":"98%","maxHeight":"98%","fixed":true,"mobiledetect":true,"mobiledevicewidth":"480px"},"highwire":{"markup":[{"requested":"short-text","variant":"abstract","view":"abstract","pisa":"ajnr;34\/1\/177"},{"requested":"short-text","variant":"abstract","view":"abstract","pisa":"ajnr;34\/1\/177"},{"requested":"index","variant":"index","view":"full","pisa":"ajnr;ajnr.A3132\/DC1"},{"requested":"index","variant":"index","view":"full","pisa":"ajnr;ajnr.A3132\/DC1"},{"requested":"long","variant":"full-text","view":"full","pisa":"ajnr;34\/1\/177"},{"requested":"full-text","variant":"full-text","view":"full","pisa":"ajnr;34\/1\/177"},{"requested":"index","variant":"index","view":"full","pisa":"ajnr;ajnr.A3132\/DC1"}],"nid":"12378","apath":"\/ajnr\/34\/1\/177.atom","pisa":"ajnr;34\/1\/177","ac":{"\/ajnr\/34\/1\/177.atom":{"access":{"full":true},"pisa_id":"","apath":"\/ajnr\/34\/1\/177.atom","jcode":"ajnr"},"ajnr;34\/1\/177":{"access":{"full":true},"pisa_id":"ajnr;34\/1\/177","apath":"","jcode":"ajnr"}},"modal_window_width":"560","share_modal_width":"560","share_modal_title":"Share this Article","dataLayer":"{\u0022page\u0022:{\u0022hwTitle\u0022:\u0022Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques\u0022,\u0022hwUrl\u0022:\u0022http:\\\/\\\/ajnr-stage2.stage.highwire.org\\\/content\\\/34\\\/1\\\/177\u0022,\u0022hwPath\u0022:\u0022\\\/content\\\/34\\\/1\\\/177\\\/tab-supplemental\u0022,\u0022hwType\u0022:\u0022journal page\u0022},\u0022user\u0022:{\u0022hwMemberID\u0022:\u0022\u0022,\u0022hwLoggedIntoInstitutionID\u0022:\u0022\u0022,\u0022hwLoggedIntoInstitution\u0022:\u0022\u0022,\u0022hwAccessUsageTerms\u0022:\u0022guest\u0022,\u0022hwRegisteredUser\u0022:\u0022no\u0022,\u0022hwHasFullTextAccess\u0022:\u0022yes\u0022,\u0022hwEntitled\u0022:\u0022no\u0022},\u0022content\u0022:{\u0022hwIssueDate\u0022:\u00222013-01-01\u0022,\u0022hwIssueDateTime\u0022:\u00222013-01-01 00:00:00\u0022,\u0022hwPublicationDate\u0022:\u00222013-01-11\u0022,\u0022hwPublicationDateTime\u0022:\u00222013-01-11 08:02:07\u0022,\u0022hwNlmArticleType\u0022:\u0022research-article\u0022,\u0022hwDOI\u0022:\u002210.3174\\\/ajnr.A3132\u0022,\u0022hwAuthors\u0022:\u0022M. Etesami,Y. Hoi,D.A. Steinman,S.K. Gujar,A.E. Nidecker,B.C. Astor,A. Portanova,Y. Qiao,W.M.A. Abdalla,B.A. Wasserman\u0022,\u0022hwContributors\u0022:\u0022\u0022,\u0022hwIsEarlyRelease\u0022:\u0022no\u0022,\u0022hwEissn\u0022:\u00221936-959X\u0022,\u0022hwPissn\u0022:\u00220195-6108\u0022,\u0022hwVolume\u0022:\u002234\u0022,\u0022hwIssue\u0022:\u00221\u0022,\u0022hwArticleType\u0022:\u0022Extracranial Vascular\u0022,\u0022hwTabView\u0022:\u0022main_tab\u0022,\u0022hwViewType\u0022:\u0022full\u0022,\u0022hwAccessType\u0022:\u0022OpenAccess\u0022,\u0022hwOpenAccess\u0022:\u0022yes\u0022,\u0022hwFreeAccess\u0022:\u0022yes\u0022,\u0022hwTaxonomy\u0022:\u0022\u0022,\u0022hwCorpusCode\u0022:\u0022ajnr\u0022,\u0022hwType\u0022:\u0022article\u0022,\u0022hwSubtitle\u0022:null,\u0022hwOverline\u0022:null,\u0022hwPisaId\u0022:\u0022ajnr;34\\\/1\\\/177\u0022,\u0022hwFirstPage\u0022:\u0022177\u0022,\u0022hwLastPage\u0022:\u0022184\u0022,\u0022hwIsLatestVersion\u0022:\u0022yes\u0022,\u0022hwIsCurrentIssue\u0022:\u0022no\u0022,\u0022hwIsOpenIssue\u0022:\u0022no\u0022,\u0022hwHasFullText\u0022:\u0022yes\u0022,\u0022hwHasPDF\u0022:\u0022yes\u0022,\u0022hwParentTitle\u0022:\u0022American Journal of Neuroradiology: 34 (1)\u0022,\u0022hwElectronicPubDate\u0022:\u00222013-01-11\u0022,\u0022hwElectronicPubDateTime\u0022:\u00222013-01-11 08:02:07\u0022}}"},"highwire_panel_tabs":[{"panel_name":"jnl_ajnr_tab_pdf","panel_ajax_tab":"jnl_ajnr_tab_pdf"}],"panel_ajax_tab":{"path":"sites\/all\/modules\/contrib\/panels_ajax_tab"},"urlIsAjaxTrusted":{"\/content\/34\/1\/177\/tab-supplemental":true},"ws_fl":{"width":100,"height":21},"ws_gpo":{"size":"","annotation":"","lang":"","callback":"","width":300},"highwire_search_similar_articles":{"highwire-search-similar-articles-list-1":{"conf":{"context":"requiredcontext_entity:node_1","override_title":1,"override_title_text":"\u003Ci class=\u0022icon-caret-right\u0022\u003E\u003C\/i\u003E Similar Articles","number_per_page":"5","show_pager":0,"more_link_path":"similar\/articles","more_link":1,"empty_message":"No similar articles are available.","citation_style":"jcore_standard","title_type":"prefer_short","title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","display_original_link":0,"display_access_indicator":0,"display_cme_link":0,"display_access_indicator_text":0,"display_highlight_image":"0","display_variants":0,"display_supplements":0,"display_abstract_tooltip":0,"display_author_tooltip":0,"override_title_heading":"h2","citation_settings_source":"citation_manager","citation_manager_wrapper":{"citation_manager_citation":"jcore_list_title_only"},"corpus_config_wrapper":{"corpus_config_citation_context":[]},"cache_enabled":1,"cache_time":"600","short_title_options":{"char_count":"50","add_ellipsis":0},"access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":1,"show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"highlight_image_style":"","featured_image_variant":"large","featured_image_click_image":"colorbox","display_google_scholar_tooltip":1,"display_pubmed_tooltip":1,"display_advanced_search_tooltip":1,"display_author_landing_page_tooltip":1,"display_orcid_tooltip":0,"display_ads_search_tooltip":0,"display_agricola_tooltip":0,"author_site_search_path":"","display_translations":0,"display_translations_text":"","display_translations_text_icon":"","bundle_overrides_checkboxes":{"highwire_book_fragment":{"selector":0},"highwire_news_story":{"selector":0},"highwire_book_edition":{"selector":0},"highwire_article":{"selector":0},"highwire_issue":{"selector":0},"highwire_comment":{"selector":0},"highwire_fragment":{"selector":0},"highwire_book_section":{"selector":0},"highwire_journal":{"selector":0}},"bundle_overrides":{"highwire_book_fragment":{"selector":0,"citation_style":"jcore_title_and_author","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":"0","access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":1,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":0,"highlight_image_style":"thumbnail","display_fragment_caption":1,"display_parent_citation":1,"parent_citation_type":"highwire_book_section","parent_citation_settings":{"citation_style":"folio_book_sections_standard","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":0,"access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":1,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":0,"highlight_image_style":"","display_abstract_tooltip":0,"display_author_tooltip":0,"display_google_scholar_tooltip":1,"display_pubmed_tooltip":1,"display_advanced_search_tooltip":1,"display_author_landing_page_tooltip":0,"author_site_search_path":"search\/"}},"highwire_news_story":{"selector":0,"citation_style":"mla","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":0,"access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":1,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":"0","highlight_image_style":"","featured_image_click_image":"nothing","display_author_tooltip":0,"display_google_scholar_tooltip":0,"display_pubmed_tooltip":0,"display_advanced_search_tooltip":0},"highwire_book_edition":{"selector":0,"citation_style":"folio_books_standard","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":0,"access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":1,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":0,"highlight_image_style":"","display_author_tooltip":0,"display_google_scholar_tooltip":1,"display_pubmed_tooltip":1,"display_advanced_search_tooltip":1,"display_author_landing_page_tooltip":1,"display_orcid_tooltip":1,"author_site_search_path":"search\/"},"highwire_article":{"selector":0,"citation_style":"mla","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":0,"access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":0,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":"0","highlight_image_style":"","featured_image_variant":"large","featured_image_click_image":"nothing","display_cme_link":0,"display_abstract_tooltip":0,"display_author_tooltip":0,"display_google_scholar_tooltip":1,"display_pubmed_tooltip":1,"display_advanced_search_tooltip":1,"display_author_landing_page_tooltip":1,"display_orcid_tooltip":1,"display_ads_search_tooltip":0,"display_agricola_tooltip":0,"author_site_search_path":"search\/","display_translations":0,"display_translations_text":"Translations Available","display_translations_text_icon":"icon-globe"},"highwire_issue":{"selector":0,"citation_style":"mla","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":0,"access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":1,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":0,"highlight_image_style":"","featured_image_click_image":"nothing","display_author_tooltip":0,"display_google_scholar_tooltip":1,"display_pubmed_tooltip":1,"display_advanced_search_tooltip":1,"display_author_landing_page_tooltip":0,"display_orcid_tooltip":1,"author_site_search_path":"search\/"},"highwire_comment":{"selector":0,"citation_style":"highwire_comment","show_title":0,"title_as_link":0,"title_as_link_type":"tab_view","author_format_type":"fullname","author_format_custom":"","author_list_separator":", ","date_format":"(j F Y)","display_comment_body":1,"display_attachment":1,"display_conflict_of_interest":1},"highwire_fragment":{"selector":0,"citation_style":"jcore_title_and_author","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":"0","access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":1,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":0,"highlight_image_style":"","display_fragment_caption":1,"fragment_image_settings":{"fragment_image_variant":"medium","fragment_click_image":"colorbox","show_download_links":1},"display_parent_citation":1,"parent_citation_type":"highwire_article","parent_citation_settings":{"citation_style":"mla","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":0,"access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":0,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":"0","highlight_image_style":"","featured_image_variant":"large","featured_image_click_image":"nothing","display_cme_link":0,"display_abstract_tooltip":0,"display_author_tooltip":0,"display_google_scholar_tooltip":1,"display_pubmed_tooltip":1,"display_advanced_search_tooltip":1,"display_author_landing_page_tooltip":1,"display_orcid_tooltip":1,"display_ads_search_tooltip":0,"display_agricola_tooltip":0,"author_site_search_path":"search\/","display_translations":0,"display_translations_text":"Translations Available","display_translations_text_icon":"icon-globe"}},"highwire_book_section":{"selector":0,"citation_style":"folio_book_sections_standard","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":0,"access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":1,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":0,"highlight_image_style":"","display_abstract_tooltip":0,"display_author_tooltip":0,"display_google_scholar_tooltip":1,"display_pubmed_tooltip":1,"display_advanced_search_tooltip":1,"display_author_landing_page_tooltip":0,"author_site_search_path":"search\/"},"highwire_journal":{"selector":0,"citation_style":"mla","cache_enabled":1,"cache_time":"600","title_type":"full","short_title_options":{"char_count":"50","add_ellipsis":0},"title_as_link":0,"display_subtitle":0,"choose_pubdate":"ppubdate","display_markup_snippet":"","highlight_image_toggle":0,"display_original_link":0,"display_access_indicator":0,"access_indicator_settings":{"open_access":{"icon":"icon-unlock","title":"Open Access"},"user_access":{"icon":"icon-ok-sign","title":"You have access"},"no_access":{"icon":"icon-lock","title":"Restricted access"}},"display_variants":0,"display_supplements":0,"pdf_download":{"display_pdf_download":0,"pdf_download_icon":"icon-cloud-download","pdf_download_text":"PDF"},"include_on_behalf":1,"cpath_prefix":"\/content","show_mark_citation":0,"display_infotrieve_link":0,"infotrieve_link_settings":{"icon":"icon-usd","link_caption":"Order full text via Infotrieve"},"display_highlight_image":0,"highlight_image_style":"","display_author_tooltip":0,"display_google_scholar_tooltip":1,"display_pubmed_tooltip":1,"display_advanced_search_tooltip":1,"display_author_landing_page_tooltip":0,"display_orcid_tooltip":1,"author_site_search_path":"search\/"}},"cpath_prefix":"\/content","ajax_loading_icon_classes":"icon-spinner icon-spin icon-2x","ajax_loading_text":"","highlight_image_toggle":0,"more_link_label":"See more","url_parameters":{"q":"node\/12378","panels_ajax_tab_tab":"jnl_ajnr_tab_supp","panels_ajax_tab_trigger":"tab-supplemental"}},"nid":"12378"}},"panels_accordion":{"highwire_article_accordion_container":{"heightStyle":"content","autoHeight":false,"collapsible":0,"region_accordion_id":"highwire_article_accordion_container","active":0,"animated":"slide"}},"color":{"logo":"http:\/\/ajnr-stage2.stage.highwire.org\/sites\/default\/files\/ajnr-web-logo_0.png"},"instances":"{\u0022highwire_abstract_tooltip\u0022:{\u0022content\u0022:{\u0022text\u0022:\u0022\u0022},\u0022style\u0022:{\u0022tip\u0022:{\u0022width\u0022:20,\u0022height\u0022:20,\u0022border\u0022:1,\u0022offset\u0022:0,\u0022corner\u0022:true},\u0022classes\u0022:\u0022qtip-custom hw-tooltip hw-abstract-tooltip qtip-shadow qtip-rounded\u0022,\u0022classes_custom\u0022:\u0022hw-tooltip hw-abstract-tooltip\u0022},\u0022position\u0022:{\u0022at\u0022:\u0022right center\u0022,\u0022my\u0022:\u0022left center\u0022,\u0022viewport\u0022:true,\u0022adjust\u0022:{\u0022method\u0022:\u0022shift\u0022}},\u0022show\u0022:{\u0022event\u0022:\u0022mouseenter click \u0022,\u0022solo\u0022:true},\u0022hide\u0022:{\u0022event\u0022:\u0022mouseleave \u0022,\u0022fixed\u0022:1,\u0022delay\u0022:\u0022100\u0022}},\u0022highwire_author_tooltip\u0022:{\u0022content\u0022:{\u0022text\u0022:\u0022\u0022},\u0022style\u0022:{\u0022tip\u0022:{\u0022width\u0022:15,\u0022height\u0022:15,\u0022border\u0022:1,\u0022offset\u0022:0,\u0022corner\u0022:true},\u0022classes\u0022:\u0022qtip-custom hw-tooltip hw-author-tooltip qtip-shadow qtip-rounded\u0022,\u0022classes_custom\u0022:\u0022hw-tooltip hw-author-tooltip\u0022},\u0022position\u0022:{\u0022at\u0022:\u0022top center\u0022,\u0022my\u0022:\u0022bottom center\u0022,\u0022viewport\u0022:true,\u0022adjust\u0022:{\u0022method\u0022:\u0022\u0022}},\u0022show\u0022:{\u0022event\u0022:\u0022mouseenter \u0022,\u0022solo\u0022:true},\u0022hide\u0022:{\u0022event\u0022:\u0022mouseleave \u0022,\u0022fixed\u0022:1,\u0022delay\u0022:\u0022100\u0022}},\u0022highwire_reflinks_tooltip\u0022:{\u0022content\u0022:{\u0022text\u0022:\u0022\u0022},\u0022style\u0022:{\u0022tip\u0022:{\u0022width\u0022:15,\u0022height\u0022:15,\u0022border\u0022:1,\u0022mimic\u0022:\u0022top center\u0022,\u0022offset\u0022:0,\u0022corner\u0022:true},\u0022classes\u0022:\u0022qtip-custom hw-tooltip hw-ref-link-tooltip qtip-shadow qtip-rounded\u0022,\u0022classes_custom\u0022:\u0022hw-tooltip hw-ref-link-tooltip\u0022},\u0022position\u0022:{\u0022at\u0022:\u0022bottom left\u0022,\u0022my\u0022:\u0022top left\u0022,\u0022viewport\u0022:true,\u0022adjust\u0022:{\u0022method\u0022:\u0022flip\u0022}},\u0022show\u0022:{\u0022event\u0022:\u0022mouseenter \u0022,\u0022solo\u0022:true},\u0022hide\u0022:{\u0022event\u0022:\u0022mouseleave \u0022,\u0022fixed\u0022:1,\u0022delay\u0022:\u0022100\u0022}}}","qtipDebug":"{\u0022leaveElement\u0022:0}","nice_menus_options":{"delay":800,"speed":"fast"},"highwireResponsive":{"enquire_enabled":1,"breakpoints_configured":1,"breakpoints":{"zero":"all and (min-width: 0px)","xsmall":"all and (min-width: 380px)","narrow":"all and (min-width: 768px) and (min-device-width: 768px), (max-device-width: 800px) and (min-width: 768px) and (orientation:landscape)","normal":"all and (min-width: 980px) and (min-device-width: 980px), all and (max-device-width: 1024px) and (min-width: 1024px) and (orientation:landscape)","wide":"all and (min-width: 1220px)"}},"eu_cookie_compliance":{"popup_enabled":1,"popup_agreed_enabled":0,"popup_hide_agreed":false,"popup_clicking_confirmation":true,"popup_scrolling_confirmation":false,"popup_html_info":"\u003Cdiv\u003E\n  \u003Cdiv class=\u0022popup-content info\u0022\u003E\n    \u003Cdiv id=\u0022popup-text\u0022\u003E\n      \u003Cp\u003EWe use cookies on this site to enhance your user experience. By clicking any link on this page you are giving your consent for us to set cookies.\u003C\/p\u003E\n    \u003C\/div\u003E\n    \u003Cdiv id=\u0022popup-buttons\u0022\u003E\n      \u003Cbutton type=\u0022button\u0022 role=\u0022dialog\u0022 aria-labelledby=\u0022Continue\u0022\n        class=\u0022agree-button eu-cookie-compliance-default-button\u0022\u003EContinue\u003C\/button\u003E\n                  \u003Cbutton type=\u0022button\u0022 role=\u0022dialog\u0022 aria-labelledby=\u0022Find out more\u0022\n        class=\u0022find-more-button eu-cookie-compliance-more-button\u0022\u003EFind out more\u003C\/button\u003E\n          \u003C\/div\u003E\n  \u003C\/div\u003E\n\u003C\/div\u003E","use_mobile_message":false,"mobile_popup_html_info":"\u003Cdiv\u003E\n  \u003Cdiv class=\u0022popup-content info\u0022\u003E\n    \u003Cdiv id=\u0022popup-text\u0022\u003E\n          \u003C\/div\u003E\n    \u003Cdiv id=\u0022popup-buttons\u0022\u003E\n      \u003Cbutton type=\u0022button\u0022 role=\u0022dialog\u0022 aria-labelledby=\u0022Continue\u0022\n        class=\u0022agree-button eu-cookie-compliance-default-button\u0022\u003EContinue\u003C\/button\u003E\n                  \u003Cbutton type=\u0022button\u0022 role=\u0022dialog\u0022 aria-labelledby=\u0022Find out more\u0022\n        class=\u0022find-more-button eu-cookie-compliance-more-button\u0022\u003EFind out more\u003C\/button\u003E\n          \u003C\/div\u003E\n  \u003C\/div\u003E\n\u003C\/div\u003E","mobile_breakpoint":"768","popup_html_agreed":"\u003Cdiv\u003E\n  \u003Cdiv class=\u0022popup-content agreed\u0022\u003E\n    \u003Cdiv id=\u0022popup-text\u0022\u003E\n      \u003Cp\u003EThank you for accepting cookies. You can now hide this message or find out more about cookies.\u003C\/p\u003E\n    \u003C\/div\u003E\n    \u003Cdiv id=\u0022popup-buttons\u0022\u003E\n      \u003Cbutton type=\u0022button\u0022 class=\u0022hide-popup-button eu-cookie-compliance-hide-button\u0022\u003EHide\u003C\/button\u003E\n              \u003Cbutton type=\u0022button\u0022 class=\u0022find-more-button eu-cookie-compliance-more-button-thank-you\u0022 \u003EFind out more\u003C\/button\u003E\n          \u003C\/div\u003E\n  \u003C\/div\u003E\n\u003C\/div\u003E","popup_use_bare_css":false,"popup_height":"auto","popup_width":"100%","popup_delay":1000,"popup_link":"\/help\/cookie-policy","popup_link_new_window":1,"popup_position":null,"popup_language":"en","store_consent":false,"better_support_for_screen_readers":0,"reload_page":0,"domain":"","popup_eu_only_js":0,"cookie_lifetime":365,"cookie_session":false,"disagree_do_not_show_popup":0,"method":"default","whitelisted_cookies":"","withdraw_markup":"\u003Cbutton type=\u0022button\u0022 class=\u0022eu-cookie-withdraw-tab\u0022\u003EPrivacy settings\u003C\/button\u003E\n\u003Cdiv class=\u0022eu-cookie-withdraw-banner\u0022\u003E\n  \u003Cdiv class=\u0022popup-content info\u0022\u003E\n    \u003Cdiv id=\u0022popup-text\u0022\u003E\n      \u003Cp\u003E\u0026lt;h2\u0026gt;We use cookies on this site to enhance your user experience\u0026lt;\/h2\u0026gt;\u0026lt;p\u0026gt;You have given your consent for us to set cookies.\u0026lt;\/p\u0026gt;\u003C\/p\u003E\n    \u003C\/div\u003E\n    \u003Cdiv id=\u0022popup-buttons\u0022\u003E\n      \u003Cbutton type=\u0022button\u0022 class=\u0022eu-cookie-withdraw-button\u0022\u003EWithdraw consent\u003C\/button\u003E\n    \u003C\/div\u003E\n  \u003C\/div\u003E\n\u003C\/div\u003E\n","withdraw_enabled":false},"googleanalytics":{"account":["G-4CRTLTY8KW"],"trackOutbound":1,"trackMailto":1,"trackDownload":1,"trackDownloadExtensions":"7z|aac|arc|arj|asf|asx|avi|bin|csv|doc(x|m)?|dot(x|m)?|exe|flv|gif|gz|gzip|hqx|jar|jpe?g|js|mp(2|3|4|e?g)|mov(ie)?|msi|msp|pdf|phps|png|ppt(x|m)?|pot(x|m)?|pps(x|m)?|ppam|sld(x|m)?|thmx|qtm?|ra(m|r)?|sea|sit|tar|tgz|torrent|txt|wav|wma|wmv|wpd|xls(x|m|b)?|xlt(x|m)|xlam|xml|z|zip","trackColorbox":1},"omega":{"layouts":{"primary":"normal","order":["narrow","normal","wide"],"queries":{"narrow":"all and (min-width: 768px) and (min-device-width: 768px), (max-device-width: 800px) and (min-width: 768px) and (orientation:landscape)","normal":"all and (min-width: 980px) and (min-device-width: 980px), all and (max-device-width: 1024px) and (min-width: 1024px) and (orientation:landscape)","wide":"all and (min-width: 1220px)"}}}});
//--><!]]>
</script>
    <!--[if lt IE 9]><script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script><![endif]-->
  </head>
  <body class="html not-front not-logged-in page-node page-node- page-node-12378 node-type-highwire-article context-content hw-default-jcode-ajnr hw-article-type-research-article hw-article-category-extracranial-vascular">
<!-- Google Tag Manager -->
<noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-MXP45WNH" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<script type="text/javascript">(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0];var j=d.createElement(s);var dl=l!='dataLayer'?'&l='+l:'';j.src='//www.googletagmanager.com/gtm.js?id='+i+dl;j.type='text/javascript';j.async=true;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-MXP45WNH');</script>
<!-- End Google Tag Manager -->
    <div id="skip-link">
      <a href="#main-content" class="element-invisible element-focusable">Skip to main content</a>
    </div>
    <div class="region region-page-top" id="region-page-top">
  <div class="region-inner region-page-top-inner">
      </div>
</div>    <div class="page clearfix footer-borders panels-page panels-layout-jcore_2col" id="page">
      <header id="section-header" class="section section-header">
  <div id="zone-advertising-top-wrapper" class="zone-wrapper zone-advertising-top-wrapper clearfix">  
  <div id="zone-advertising-top" class="zone zone-advertising-top clearfix container-30">
    <div class="grid-28 suffix-1 prefix-1 region region-ad-top" id="region-ad-top">
  <div class="region-inner region-ad-top-inner">
    <div class="block block-panels-mini mobile-hiddens rtecenter block-jnl-ajnr-ad-leaderboard block-panels-mini-jnl-ajnr-ad-leaderboard odd block-without-title" id="block-panels-mini-jnl-ajnr-ad-leaderboard">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_ad_leaderboard">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-dfp-pane text-center" >
  
      
  
  <div class="pane-content">
    <div id="dfp-ad-top_leaderboard-wrapper" class="dfp-tag-wrapper">
<div class="slug">Advertisement</div>
<div  id="dfp-ad-top_leaderboard" class="dfp-tag-wrapper">
  <script type="text/javascript">
    googletag.cmd.push(function() {
      googletag.display("dfp-ad-top_leaderboard");
    });
  </script>
</div>
</div>  </div>

  
  </div>
</div>
  </div>
</div>
    </div>
  </div>
</div>  </div>
</div>  </div>
</div><div id="zone-superheader-wrapper" class="zone-wrapper zone-superheader-wrapper clearfix mobile-only print-hidden">  
  <div id="zone-superheader" class="zone zone-superheader clearfix mobile-only print-hidden container-30">
    <div class="grid-30 region region-superheader" id="region-superheader">
  <div class="region-inner region-superheader-inner">
    <div class="block block-panels-mini block-responsive-menu block-panels-mini-responsive-menu odd block-without-title" id="block-panels-mini-responsive-menu">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panel-1col clearfix" id="mini-panel-responsive_menu">
  <div class="panel-panel panel-col">
    <div><div id="unique-id3" class="highwire-responsive-toggle-group"><div class="panel-pane pane-panels-mini pane-responsive-menu-main-menu" >
  
        <h2 class="pane-title"><span class="icon-reorder"></span><span class="element-invisible">Main menu</span></h2>
    
  
  <div class="pane-content">
    <div class="panel-display panel-1col clearfix" id="mini-panel-responsive_menu_main_menu">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-menu-tree pane-main-menu" >
  
      
  
  <div class="pane-content">
    <div class="menu-block-wrapper menu-block-ctools-main-menu-1 menu-name-main-menu parent-mlid-main-menu:0 menu-level-1">
  <nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf menu-mlid-772" role="menuitem"><a href="/" class="" data-icon-position="" data-hide-link-title="0">Home</a></li>
<li class="expanded active-trail menu-mlid-773" role="menuitem"><a href="/content/current" data-hide-link-title="0" class="active active-trail" data-icon-position="">Content</a><nav class="menubar-nav"><ul class="menu" role="menu"><li class="first expanded menu-mlid-774" role="menuitem"><a href="/content/current" data-hide-link-title="0" class="" data-icon-position="">Current Issue</a></li>
<li class="leaf menu-mlid-1747" role="menuitem"><a href="/content/early/preprint" data-hide-link-title="0" class="" data-icon-position="">Publication Preview--Preprint</a></li>
<li class="leaf menu-mlid-775" role="menuitem"><a href="/content/early/recent" data-hide-link-title="0" class="" data-icon-position="">Publication Preview--Ahead of Print</a></li>
<li class="leaf menu-mlid-776" role="menuitem"><a href="/content/by/year" data-hide-link-title="0" class="" data-icon-position="">Past Issue Archive</a></li>
<li class="leaf menu-mlid-900" role="menuitem"><a href="/cow/by/year" data-hide-link-title="0" class="" data-icon-position="">Case of the Week Archive</a></li>
<li class="leaf menu-mlid-1006" role="menuitem"><a href="/cc/by/year" data-hide-link-title="0" class="" data-icon-position="">Classic Case Archive</a></li>
<li class="leaf menu-mlid-901" role="menuitem"><a href="/com/by/year" data-hide-link-title="0" class="" data-icon-position="">Case of the Month Archive</a></li>
<li class="last leaf menu-mlid-1334" role="menuitem"><a href="http://www.ajnr.org/content/covid-19-content-and-resources" data-hide-link-title="0" class="" data-icon-position="">COVID-19 Content and Resources</a></li>
</ul></nav></li>
<li class="expanded menu-mlid-784" role="menuitem"><a href="/content/about-us" class="" data-icon-position="" data-hide-link-title="0">About Us</a><nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf menu-mlid-785" role="menuitem"><a href="/page/content/About" data-hide-link-title="0" class="" data-icon-position="">About AJNR</a></li>
<li class="leaf menu-mlid-899" role="menuitem"><a href="https://www.ajnr.org/page/content/Ed-Board" data-hide-link-title="0" class="" data-icon-position="">Editorial Board</a></li>
<li class="last leaf menu-mlid-864" role="menuitem"><a href="http://www.asnr.org" data-hide-link-title="0" target="_blank" class="" data-icon-position="">American Society of Neuroradiology</a></li>
</ul></nav></li>
<li class="expanded menu-mlid-1746" role="menuitem"><a href="/" class="" data-icon-position="" data-hide-link-title="0">For Authors</a><nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf menu-mlid-1725" role="menuitem"><a href="https://www.ajnr.org/content/author-policies" data-hide-link-title="0" class="" data-icon-position="">Author Policies</a></li>
<li class="leaf menu-mlid-1856" role="menuitem"><a href="https://www.ajnr.org/preprint_publishing" data-hide-link-title="0" class="" data-icon-position="">Preprint Publishing</a></li>
<li class="last leaf menu-mlid-1726" role="menuitem"><a href="https://www.ajnr.org/content/manuscript-submission-guidelines" data-hide-link-title="0" class="" data-icon-position="">Manuscript Submission Guidelines</a></li>
</ul></nav></li>
<li class="leaf menu-mlid-862" role="menuitem"><a href="https://mc.manuscriptcentral.com/ajnr" data-hide-link-title="0" target="_blank" class="" data-icon-position="">Submit a Manuscript</a></li>
<li class="expanded menu-mlid-1184" role="menuitem"><a href="/content/about-us" data-hide-link-title="0" class="" data-icon-position="">Special Collections</a><nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf menu-mlid-1733" role="menuitem"><a href="http://www.ajnr.org/cc/CSF-Spinal-Leak" data-hide-link-title="0" class="" data-icon-position="">Spinal CSF Leak Articles (Jan 2020-June 2024)</a></li>
<li class="leaf menu-mlid-1185" role="menuitem"><a href="http://www.ajnr.org/cc/most-impactful-ajnr-articles" data-hide-link-title="0" class="" data-icon-position="">Most Impactful AJNR Articles</a></li>
<li class="last leaf menu-mlid-1896" role="menuitem"><a href="http://www.ajnr.org/cc/2024-Awards" data-hide-link-title="0" class="" data-icon-position="">2024 AJNR Journal Awards</a></li>
</ul></nav></li>
<li class="last expanded menu-mlid-788" role="menuitem"><a href="/content/advertising" class="" data-icon-position="" data-hide-link-title="0">More</a><nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf menu-mlid-780" role="menuitem"><a href="/content/subscriber-help-and-services" data-hide-link-title="0" class="" data-icon-position="">Subscribers</a></li>
<li class="leaf menu-mlid-863" role="menuitem"><a href="https://marketplace.copyright.com/rs-ui-web/mp/details/journal/122810747" data-hide-link-title="0" class="" data-icon-position="">Permissions</a></li>
<li class="leaf menu-mlid-782" role="menuitem"><a href="/page/content/Ads" data-hide-link-title="0" class="" data-icon-position="">Advertisers</a></li>
<li class="leaf menu-mlid-790" role="menuitem"><a href="/alerts" data-hide-link-title="0" class="" data-icon-position="">Alerts</a></li>
<li class="last leaf menu-mlid-791" role="menuitem"><a href="/feedback" class="" data-icon-position="" data-hide-link-title="0">Feedback</a></li>
</ul></nav></li>
</ul></nav></div>
  </div>

  
  </div>
</div>
  </div>
</div>
  </div>

  
  </div>
<div class="panel-pane pane-panels-mini pane-responsive-menu-user-menu" >
  
        <h2 class="pane-title"><span class="icon-gear"></span><span class="element-invisible">User menu</span></h2>
    
  
  <div class="pane-content">
    <div class="panel-display panel-1col clearfix" id="mini-panel-responsive_menu_user_menu">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-menu-tree pane-user-menu" >
  
      
  
  <div class="pane-content">
    <div class="menu-block-wrapper menu-block-ctools-user-menu-1 menu-name-user-menu parent-mlid-user-menu:0 menu-level-1">
  <nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf menu-mlid-801" role="menuitem"><a href="/content/subscriber-help-and-services" data-hide-link-title="0" class="" data-icon-position="">Subscribe</a></li>
<li class="leaf menu-mlid-802" role="menuitem"><a href="/alerts" data-hide-link-title="0" class="" data-icon-position="">Alerts</a></li>
<li class="leaf menu-mlid-803" role="menuitem"><a href="/user/login?destination=/content/34/1/177%3Fpanels_ajax_tab_tab%3Djnl_ajnr_tab_supp%26panels_ajax_tab_trigger%3Dtab-supplemental" class="" data-icon-position="" data-hide-link-title="0">Log in</a></li>
<li class="last leaf menu-mlid-17" role="menuitem"><a href="/user/logout?current=node/12378" class="" data-icon-position="" data-hide-link-title="0">Log out</a></li>
</ul></nav></div>
  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-highwire-user-identities" >
  
      
  
  <div class="pane-content">
    <div class="highwire-user-message" data-separator="|"><span class="highwire-user-institution" data-id-type="institution" data-identity="a%3A2%3A%7Bs%3A4%3A%22show%22%3Bi%3A1%3Bs%3A7%3A%22message%22%3Bs%3A50%3A%22Institution%3A%20%5Bidentity%3Ainstitutional_display_name%5D%22%3B%7D"></span></div>  </div>

  
  </div>
</div>
  </div>
</div>
  </div>

  
  </div>
<div class="panel-pane pane-panels-mini pane-responsive-menu-search" >
  
        <h2 class="pane-title"><span class="icon-search"></span><span class="element-invisible">Search</span></h2>
    
  
  <div class="pane-content">
    <div class="panel-display panel-1col clearfix" id="mini-panel-responsive_menu_search">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-highwire-seach-qsearch-nocontext" >
  
      
  
  <div class="pane-content">
    <form class="highwire-quicksearch button-style-mini button-style-mini" action="/content/34/1/177/tab-supplemental" method="post" id="highwire-search-qsearch-nocontext-form" accept-charset="UTF-8"><div><div class="form-item form-item-label-invisible form-type-textfield form-item-keywords">
  <label class="element-invisible" for="quick_search_header_keywords_1314351972">Search for this keyword </label>
 <input placeholder="Search..." type="text" id="quick_search_header_keywords_1314351972" name="keywords" value="" size="60" maxlength="128" class="form-text" />
</div>
<div class="button-wrapper button-mini"><span class="icon-search"></span><input data-icon-only="1" data-font-icon="icon-search" data-icon-position="after" type="submit" id="quick_search_header_submit_1548152786" name="op" value="Search" class="form-submit" /></div><input type="hidden" name="form_build_id" value="form-Tzey9KE8irZFRp1uT_uMPBp0TxxlwpMk9gIMdBQ-9tg" />
<input type="hidden" name="form_id" value="highwire_search_qsearch_nocontext_form" />
</div></form>  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-custom pane-1 highwire-responsive-advanced-search-link pane-menu-tree" >
  
      
  
  <div class="pane-content">
    <ul class="menu">
  <li><a href="/search" title="Advanced search">Advanced search</a></li>
  </ul>  </div>

  
  </div>
</div>
  </div>
</div>
  </div>

  
  </div>
</div></div>
  </div>
</div>
    </div>
  </div>
</div><div class="block block-panels-mini block-hw-small-logo block-panels-mini-hw-small-logo even block-without-title" id="block-panels-mini-hw-small-logo">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panel-1col clearfix" id="mini-panel-hw_small_logo">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-small-logo" >
  
      
  
  <div class="pane-content">
    <a href="/" class="" data-icon-position="" data-hide-link-title="0"><img src="http://ajnr-stage2.stage.highwire.org/sites/default/files/ajnr-logo.png" alt="American Journal of Neuroradiology" title="American Journal of Neuroradiology" /></a>  </div>

  
  </div>
</div>
  </div>
</div>
    </div>
  </div>
</div>  </div>
</div>  </div>
</div><div id="zone-user-wrapper" class="zone-wrapper zone-user-wrapper clearfix mobile-hidden print-hidden">  
  <div id="zone-user" class="zone zone-user clearfix equal-height-container mobile-hidden print-hidden container-30">    
  	    <div class="grid-30 region region-user-second equal-height-element" id="region-user-second">
  <div class="region-inner region-user-second-inner">
    <div class="block block-panels-mini text-right no-margin-bottom block-jnl-ajnr-uid-strng block-panels-mini-jnl-ajnr-uid-strng odd block-without-title" id="block-panels-mini-jnl-ajnr-uid-strng">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_uid_strng">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-highwire-user-identities" >
  
      
  
  <div class="pane-content">
    <div class="highwire-user-message" data-separator=" | "><span class="highwire-user-institution" data-id-type="institution" data-identity="a%3A2%3A%7Bs%3A4%3A%22show%22%3Bi%3A1%3Bs%3A7%3A%22message%22%3Bs%3A85%3A%22%3Cspan%20class%3D%22narrow-hidden%22%3EInstitution%3A%20%3C%2Fspan%3E%5Bidentity%3Ainstitutional_display_name%5D%22%3B%7D"></span></div>  </div>

  
  </div>
</div>
  </div>
</div>
    </div>
  </div>
</div>  </div>
</div>  </div>
</div>  
  <div id="zone-branding" class="zone zone-branding clearfix mobile-hidden print-display-block container-30">
    <div class="grid-19 prefix-1 region region-branding print-display-block" id="region-branding">
  <div class="region-inner region-branding-inner">
        <div class="branding-data clearfix">
            <div class="logo-img">
        <a href="/" rel="home" class="" data-icon-position="" data-hide-link-title="0"><img alt="American Journal of Neuroradiology" src="http://ajnr-stage2.stage.highwire.org/sites/default/files/ajnr-web-logo_0.png" /></a>      </div>
                        <hgroup class="site-name-slogan element-invisible">        
                                <h2 class="site-name element-invisible"><a href="/" title="Home" class="" data-icon-position="" data-hide-link-title="0">American Journal of Neuroradiology</a></h2>
                              </hgroup>
          </div>
          </div>
</div><div class="grid-9 suffix-1 region region-branding-second print-hidden" id="region-branding-second">
  <div class="region-inner region-branding-second-inner">
    <div class="block block-panels-mini text-right no-margin-bottom block-jnl-ajnr-user-menu block-panels-mini-jnl-ajnr-user-menu odd block-without-title" id="block-panels-mini-jnl-ajnr-user-menu">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_user_menu">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-block pane-system-user-menu links inline pane-system" >
  
      
  
  <div class="pane-content">
    <nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf" role="menuitem"><a href="/content/subscriber-help-and-services" data-hide-link-title="0" class="" data-icon-position="">Subscribe</a></li>
<li class="leaf" role="menuitem"><a href="/alerts" data-hide-link-title="0" class="" data-icon-position="">Alerts</a></li>
<li class="leaf" role="menuitem"><a href="/user/login?destination=/content/34/1/177%3Fpanels_ajax_tab_tab%3Djnl_ajnr_tab_supp%26panels_ajax_tab_trigger%3Dtab-supplemental" class="" data-icon-position="" data-hide-link-title="0">Log in</a></li>
<li class="last leaf" role="menuitem"><a href="/user/logout?current=node/12378" class="" data-icon-position="" data-hide-link-title="0">Log out</a></li>
</ul></nav>  </div>

  
  </div>
</div>
  </div>
</div>
    </div>
  </div>
</div><div class="block block-panels-mini block-jnl-ajnr-search-box block-panels-mini-jnl-ajnr-search-box even block-without-title" id="block-panels-mini-jnl-ajnr-search-box">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_search_box">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-highwire-seach-quicksearch no-margin-bottom" >
  
      
  
  <div class="pane-content">
    <form class="highwire-quicksearch button-style-mini button-style-mini" action="/content/34/1/177/tab-supplemental" method="post" id="highwire-search-quicksearch-form-0" accept-charset="UTF-8"><div><div class="form-item form-item-label-invisible form-type-textfield form-item-keywords">
  <label class="element-invisible" for="search_rightsidebar_keywords_961977512">Search for this keyword </label>
 <input placeholder="search" type="text" id="search_rightsidebar_keywords_961977512" name="keywords" value="" size="60" maxlength="128" class="form-text" />
</div>
<div class="button-wrapper button-mini"><span class="icon-search"></span><input data-icon-only="1" data-font-icon="icon-search" data-icon-position="after" type="submit" id="search_rightsidebar_submit_1550255397" name="op" value="Search" class="form-submit" /></div><input type="hidden" name="form_build_id" value="form-1ijxQ18Rorw6qYFIQFjjQ_YodgCJAv2zjmWOMoj1U_I" />
<input type="hidden" name="form_id" value="highwire_search_quicksearch_form_0" />
</div></form>  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-custom pane-2" >
  
      
  
  <div class="pane-content">
    <p><a href="/search">Advanced Search</a></p>  </div>

  
  </div>
</div>
  </div>
</div>
    </div>
  </div>
</div>  </div>
</div>  </div>
  
  <div id="zone-menu" class="zone zone-menu clearfix mobile-hidden container-30">
    <div class="grid-28 suffix-1 prefix-1 region region-menu region-menu-bg-opaque region-menu-no-border" id="region-menu">
  <div class="region-inner region-menu-inner">
        <div class="block block-nice-menus block-1 block-nice-menus-1 odd block-without-title" id="block-nice-menus-1">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <nav class="menubar-nav"><ul class="nice-menu nice-menu-down nice-menu-main-menu" id="nice-menu-1" role="menu"><li class="menu-772 menu-path-front first odd " role="menuitem"><a href="/" class="" data-icon-position="" data-hide-link-title="0">Home</a></li>
<li class="menu-773 menuparent  menu-path-content-current active-trail  even " role="menuitem"><a href="/content/current" data-hide-link-title="0" class="active" data-icon-position="">Content</a><ul role="menu"><li class="menu-774 menu-path-content-current first odd " role="menuitem"><a href="/content/current" data-hide-link-title="0" class="" data-icon-position="">Current Issue</a></li>
<li class="menu-1747 menu-path-content-early-preprint  even " role="menuitem"><a href="/content/early/preprint" data-hide-link-title="0" class="" data-icon-position="">Publication Preview--Preprint</a></li>
<li class="menu-775 menu-path-content-early-recent  odd " role="menuitem"><a href="/content/early/recent" data-hide-link-title="0" class="" data-icon-position="">Publication Preview--Ahead of Print</a></li>
<li class="menu-776 menu-path-content-by-year  even " role="menuitem"><a href="/content/by/year" data-hide-link-title="0" class="" data-icon-position="">Past Issue Archive</a></li>
<li class="menu-900 menu-path-cow-by-year  odd " role="menuitem"><a href="/cow/by/year" data-hide-link-title="0" class="" data-icon-position="">Case of the Week Archive</a></li>
<li class="menu-1006 menu-path-cc-by-year  even " role="menuitem"><a href="/cc/by/year" data-hide-link-title="0" class="" data-icon-position="">Classic Case Archive</a></li>
<li class="menu-901 menu-path-com-by-year  odd " role="menuitem"><a href="/com/by/year" data-hide-link-title="0" class="" data-icon-position="">Case of the Month Archive</a></li>
<li class="menu-1334 menu-path-ajnrorg-content-covid-19-content-and-resources  even last" role="menuitem"><a href="http://www.ajnr.org/content/covid-19-content-and-resources" data-hide-link-title="0" class="" data-icon-position="">COVID-19 Content and Resources</a></li>
</ul></li>
<li class="menu-784 menuparent  menu-path-node-7  odd " role="menuitem"><a href="/content/about-us" class="" data-icon-position="" data-hide-link-title="0">About Us</a><ul role="menu"><li class="menu-785 menu-path-node-935 first odd " role="menuitem"><a href="/page/content/About" data-hide-link-title="0" class="" data-icon-position="">About AJNR</a></li>
<li class="menu-899 menu-path-sajnrorg-page-content-ed-board  even " role="menuitem"><a href="https://www.ajnr.org/page/content/Ed-Board" data-hide-link-title="0" class="" data-icon-position="">Editorial Board</a></li>
<li class="menu-864 menu-path-asnrorg  odd last" role="menuitem"><a href="http://www.asnr.org" data-hide-link-title="0" target="_blank" class="" data-icon-position="">American Society of Neuroradiology</a></li>
</ul></li>
<li class="menu-1746 menuparent  menu-path-front  even " role="menuitem"><a href="/" class="" data-icon-position="" data-hide-link-title="0">For Authors</a><ul role="menu"><li class="menu-1725 menu-path-sajnrorg-content-author-policies first odd " role="menuitem"><a href="https://www.ajnr.org/content/author-policies" data-hide-link-title="0" class="" data-icon-position="">Author Policies</a></li>
<li class="menu-1856 menu-path-sajnrorg-preprint-publishing  even " role="menuitem"><a href="https://www.ajnr.org/preprint_publishing" data-hide-link-title="0" class="" data-icon-position="">Preprint Publishing</a></li>
<li class="menu-1726 menu-path-sajnrorg-content-manuscript-submission-guidelines  odd last" role="menuitem"><a href="https://www.ajnr.org/content/manuscript-submission-guidelines" data-hide-link-title="0" class="" data-icon-position="">Manuscript Submission Guidelines</a></li>
</ul></li>
<li class="menu-862 menu-path-smcmanuscriptcentralcom-ajnr  odd " role="menuitem"><a href="https://mc.manuscriptcentral.com/ajnr" data-hide-link-title="0" target="_blank" class="" data-icon-position="">Submit a Manuscript</a></li>
<li class="menu-1184 menuparent  menu-path-node-7  even " role="menuitem"><a href="/content/about-us" data-hide-link-title="0" class="" data-icon-position="">Special Collections</a><ul role="menu"><li class="menu-1733 menu-path-ajnrorg-cc-csf-spinal-leak first odd " role="menuitem"><a href="http://www.ajnr.org/cc/CSF-Spinal-Leak" data-hide-link-title="0" class="" data-icon-position="">Spinal CSF Leak Articles (Jan 2020-June 2024)</a></li>
<li class="menu-1185 menu-path-ajnrorg-cc-most-impactful-ajnr-articles  even " role="menuitem"><a href="http://www.ajnr.org/cc/most-impactful-ajnr-articles" data-hide-link-title="0" class="" data-icon-position="">Most Impactful AJNR Articles</a></li>
<li class="menu-1896 menu-path-ajnrorg-cc-2024-awards  odd last" role="menuitem"><a href="http://www.ajnr.org/cc/2024-Awards" data-hide-link-title="0" class="" data-icon-position="">2024 AJNR Journal Awards</a></li>
</ul></li>
<li class="menu-788 menuparent  menu-path-node-9  odd last" role="menuitem"><a href="/content/advertising" class="" data-icon-position="" data-hide-link-title="0">More</a><ul role="menu"><li class="menu-780 menu-path-node-960 first odd " role="menuitem"><a href="/content/subscriber-help-and-services" data-hide-link-title="0" class="" data-icon-position="">Subscribers</a></li>
<li class="menu-863 menu-path-smarketplacecopyrightcom-rs-ui-web-mp-details-journal-122810747  even " role="menuitem"><a href="https://marketplace.copyright.com/rs-ui-web/mp/details/journal/122810747" data-hide-link-title="0" class="" data-icon-position="">Permissions</a></li>
<li class="menu-782 menu-path-node-937  odd " role="menuitem"><a href="/page/content/Ads" data-hide-link-title="0" class="" data-icon-position="">Advertisers</a></li>
<li class="menu-790 menu-path-alerts  even " role="menuitem"><a href="/alerts" data-hide-link-title="0" class="" data-icon-position="">Alerts</a></li>
<li class="menu-791 menu-path-node-10  odd last" role="menuitem"><a href="/feedback" class="" data-icon-position="" data-hide-link-title="0">Feedback</a></li>
</ul></li>
</ul></nav>
    </div>
  </div>
</div><div class="block block-menu text-right block-menu-social-media block-menu-menu-social-media even block-without-title" id="block-menu-menu-social-media">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf" role="menuitem"><a href="http://www.twitter.com/TheAJNR" target="_blank" class="link-icon-only link-icon"><span class="hw-icon-x-twitter"></span> <span class="title element-invisible">Follow AJNR on Twitter</span></a></li>
<li class="leaf" role="menuitem"><a href="http://www.facebook.com/AmJNeuroradiol" target="_blank" class="link-icon-only link-icon"><span class="icon-facebook-sign icon-2x"></span> <span class="title element-invisible">Visit AJNR on Facebook</span></a></li>
<li class="leaf" role="menuitem"><a href="https://www.instagram.com/the_ajnr/?hl=en" class="link-icon-only link-icon"><span class="icon-instagram icon-2x"></span> <span class="title element-invisible">Follow AJNR on Instagram</span></a></li>
<li class="leaf" role="menuitem"><a href="https://www.linkedin.com/company/american-journal-of-neuroradiology" class="link-icon-only link-icon"><span class="icon-linkedin icon-2x"></span> <span class="title element-invisible">Join AJNR on LinkedIn</span></a></li>
<li class="last leaf" role="menuitem"><a href="/rss" class="link-icon-only link-icon"><span class="icon-rss icon-2x"></span> <span class="title element-invisible">RSS Feeds</span></a></li>
</ul></nav>    </div>
  </div>
</div>  </div>
</div>
  </div>
  
  <div id="zone-header" class="zone zone-header clearfix container-30">
  	      </div>
</header>    
      <section id="section-content" class="section section-content">
    
  <div id="zone-content" class="zone zone-content clearfix container-30">    
        
    <div class="grid-28 suffix-1 prefix-1 region region-content" id="region-content">
  <div class="region-inner region-content-inner">
    <a id="main-content"></a>
                        <div class="block block-system block-main block-system-main odd block-without-title" id="block-system-main">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panels-960-layout jcore-2col-layout" >
	  <div class="panel-row-wrapper panel-row-first clearfix">
		
		<div class="top-wrapper">
			<div class="panel-panel panel-region-top">
			  <div class="inside"><div class="panel-pane pane-highwire-article-citation" >
  
      
  
  <div class="pane-content">
    <div class="highwire-article-citation highwire-citation-type-highwire-article node12378--5" data-node-nid="12378" id="top-node-12378--61943793155" data-pisa="ajnr;34/1/177" data-pisa-master="ajnr;ajnr.A3132" data-apath="/ajnr/34/1/177.atom" data-hw-author-tooltip-instance="highwire_author_tooltip"><div class="highwire-cite highwire-cite-highwire-article highwire-citation-jcore-article-title-complete clearfix has-author-tooltip highwire-citation-highwire-article-top-a">
  
  
      <div class="highwire-cite-overline"><span  class="highwire-cite-metadata-article-type highwire-cite-metadata">Research Article</span><span class="separator-pipe"></span><span  class="highwire-cite-metadata-art-cat highwire-cite-metadata"><span class="wrapper">Extracranial Vascular</span></span></div>
  
      <div class="highwire-cite-access"><span class="highwire-citation-access"><i class="highwire-access-icon highwire-access-icon-open-access open-access hw-icon-open-access" title="Open Access" aria-hidden="true"></i><span  class="element-invisible highwire-access-icon highwire-access-icon-open-access" style="">Open Access</span></span></div>
  
      <h1 class="highwire-cite-title" id="page-title">Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">M. Etesami</span>, <span class="highwire-citation-author" data-delta="1">Y. Hoi</span>, <span class="highwire-citation-author" data-delta="2">D.A. Steinman</span>, <span class="highwire-citation-author" data-delta="3">S.K. Gujar</span>, <span class="highwire-citation-author" data-delta="4">A.E. Nidecker</span>, <span class="highwire-citation-author" data-delta="5">B.C. Astor</span>, <span class="highwire-citation-author" data-delta="6">A. Portanova</span>, <span class="highwire-citation-author" data-delta="7">Y. Qiao</span>, <span class="highwire-citation-author" data-delta="8">W.M.A. Abdalla</span> and <span class="highwire-citation-author" data-delta="9">B.A. Wasserman</span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">January 2013,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">34 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(1) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">177-184; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A3132 </span></div>
  
  
  
</div>
<div id="hw-article-author-popups-top-node-12378--61943793155" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">M. Etesami </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=M.%2BEtesami%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Etesami%20M&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AM.%2BEtesami%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-1"><div class="author-tooltip-name">Y. Hoi </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>b</span>Department of Mechanical & Industrial Engineering (Y.H., D.A.S.), University of Toronto, Toronto, Ontario, Canada</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Y.%2BHoi%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Hoi%20Y&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AY.%2BHoi%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-2"><div class="author-tooltip-name">D.A. Steinman </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>b</span>Department of Mechanical & Industrial Engineering (Y.H., D.A.S.), University of Toronto, Toronto, Ontario, Canada</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=D.A.%2BSteinman%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Steinman%20D&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AD.A.%2BSteinman%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-3"><div class="author-tooltip-name">S.K. Gujar </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=S.K.%2BGujar%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Gujar%20S&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AS.K.%2BGujar%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-4"><div class="author-tooltip-name">A.E. Nidecker </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>c</span>Department of Radiology (A.E.N.), University of California Davis Medical Center, Sacramento, California</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=A.E.%2BNidecker%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Nidecker%20A&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AA.E.%2BNidecker%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-5"><div class="author-tooltip-name">B.C. Astor </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>d</span>Departments of Medicine and Population Health Sciences (B.C.A.), University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=B.C.%2BAstor%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Astor%20B&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AB.C.%2BAstor%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-6"><div class="author-tooltip-name">A. Portanova </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>e</span>School of Medicine (A.P.), University of Rochester Medical Center, Rochester, New York.</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=A.%2BPortanova%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Portanova%20A&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AA.%2BPortanova%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-7"><div class="author-tooltip-name">Y. Qiao </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=Y.%2BQiao%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Qiao%20Y&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AY.%2BQiao%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-8"><div class="author-tooltip-name">W.M.A. Abdalla </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=W.M.A.%2BAbdalla%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Abdalla%20W&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AW.M.A.%2BAbdalla%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-9"><div class="author-tooltip-name">B.A. Wasserman </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Russell H. Morgan Department of Radiology and Radiological Sciences (M.E., S.K.G., Y.Q., W.M.A.A., B.A.W.), The Johns Hopkins Hospital, Baltimore, Maryland</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=B.A.%2BWasserman%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Wasserman%20B&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AB.A.%2BWasserman%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div></div></div>  </div>

  
  </div>
</div>
			</div>
		</div>
	
	</div> <!-- /.panel-row-wrapper -->	
	  
  <div class="panel-row-wrapper clearfix">
		
		<div class="main-content-wrapper grid-17 suffix-1 alpha">
			<div class="panel-panel panel-region-content">
			  <div class="inside"><div class="panel-pane pane-highwire-panel-tabs pane-panels-ajax-tab-tabs" >
  
      
  
  <div class="pane-content">
    <div class="item-list"><ul class="tabs inline panels-ajax-tab"><li class="first"><a href="/content/34/1/177" class="panels-ajax-tab-tab" data-panel-name="jnl_ajnr_tab_art" data-target-id="highwire_article_tabs" data-entity-context="node:12378" data-trigger="" data-url-enabled="1">Article</a><a href="/panels_ajax_tab/jnl_ajnr_tab_art/node:12378/1" rel="nofollow" style="display:none" class="js-crawler-link"></a></li><li><a href="/content/34/1/177/tab-figures-data" class="panels-ajax-tab-tab" data-panel-name="jnl_ajnr_tab_data" data-target-id="highwire_article_tabs" data-entity-context="node:12378" data-trigger="tab-figures-data" data-url-enabled="1">Figures &amp; Data</a><a href="/panels_ajax_tab/jnl_ajnr_tab_data/node:12378/1" rel="nofollow" style="display:none" class="js-crawler-link"></a></li><li><a href="/content/34/1/177/tab-supplemental" class="panels-ajax-tab-tab" data-panel-name="jnl_ajnr_tab_supp" data-target-id="highwire_article_tabs" data-entity-context="node:12378" data-trigger="tab-supplemental" data-url-enabled="1">Supplemental</a><a href="/panels_ajax_tab/jnl_ajnr_tab_supp/node:12378/1" rel="nofollow" style="display:none" class="js-crawler-link"></a></li><li><a href="/content/34/1/177/tab-references" class="panels-ajax-tab-tab" data-panel-name="jnl_ajnr_tab_refs" data-target-id="highwire_article_tabs" data-entity-context="node:12378" data-trigger="tab-references" data-url-enabled="1">References</a><a href="/panels_ajax_tab/jnl_ajnr_tab_refs/node:12378/1" rel="nofollow" style="display:none" class="js-crawler-link"></a></li><li><a href="/content/34/1/177/tab-article-info" class="panels-ajax-tab-tab" data-panel-name="jnl_ajnr_tab_info" data-target-id="highwire_article_tabs" data-entity-context="node:12378" data-trigger="tab-article-info" data-url-enabled="1">Info &amp; Metrics</a><a href="/panels_ajax_tab/jnl_ajnr_tab_info/node:12378/1" rel="nofollow" style="display:none" class="js-crawler-link"></a></li><li class="last"><a href="/content/ajnr/34/1/177.full.pdf" class="panels-ajax-tab-tab" data-panel-name="jnl_ajnr_tab_pdf" data-target-id="highwire_article_tabs" data-entity-context="node:12378" data-trigger="tab-pdf" data-url-enabled="1"><i class="icon-file-alt"></i> PDF</a><a href="/panels_ajax_tab/jnl_ajnr_tab_pdf/node:12378/1" rel="nofollow" style="display:none" class="js-crawler-link"></a></li></ul></div>  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-highwire-panel-tabs-container" >
  
      
  
  <div class="pane-content">
    <div data-panels-ajax-tab-preloaded="jnl_ajnr_tab_supp" id="panels-ajax-tab-container-highwire_article_tabs" class="panels-ajax-tab-container"><div class="panels-ajax-tab-loading" style ="display:none"><img class="loading" src="http://ajnr-stage2.stage.highwire.org/sites/all/modules/contrib/panels_ajax_tab/images/loading.gif" alt="Loading" title="Loading" /></div><div class="panels-ajax-tab-wrap-jnl_ajnr_tab_supp"><div class="panel-display panel-1col clearfix" >
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-highwire-article-data-supp" >
  
        <h2 class="pane-title">Data supplements</h2>
    
  
  <div class="pane-content">
    <div class="item-list"><ul><li class="first last"><div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" id="content-block" xmlns:xhtml="http://www.w3.org/1999/xhtml"><div><span class="highwire-journal-article-marker-start"></span><div class="auto-clean"><span style="font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 83.33%">
         
            <h2>Supplemental Movies</h2>
            <p><strong>Files in this Data Supplement:</strong></p>
            <ul><li><a href="/highwire/filestream/52337/field_highwire_adjunct_files/0/3132_movie1.mov" class="rewritten" data-icon-position="" data-hide-link-title="0">Movie 1 (MOV)</a>
                  		-
                  		Simulated particle washout in a distally pointing ulcer CFD model. The animation is zoomed into the ulcer region, and three
                  consecutive cardiac cycles are shown at half-speed.  Note the deep penetration of faster (blue) particles into the ulcer during
                  systole.
                  <br/><br/></li><li><a href="/highwire/filestream/52337/field_highwire_adjunct_files/1/3132_movie2.mov" class="rewritten" data-icon-position="" data-hide-link-title="0">Movie 2 (MOV)</a>
                  		-
                  		Simulated particle washout in a proximally pointing ulcer CFD model.  Note the accumulation of slower (white) particles
                  at the ulcer tip compared to the distally pointing case shown in Movie 1.
                  <br/><br/>
                  <em>Can't watch these movies? Download <a href="http://www.videolan.org/vlc/" rel="external-nw">VLC Media Player</a> free for Windows, Mac, and Linux.</em></li></ul>
         </span>
      
   </div><span class="highwire-journal-article-marker-end"></span></div><span id="related-urls"></span></div></div></li></ul></div>  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-highwire-markup" >
  
      
  
  <div class="pane-content">
    <div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" class="content-block-markup" xmlns:xhtml="http://www.w3.org/1999/xhtml"></div></div>  </div>

  
  </div>
</div>
  </div>
</div>
</div></div>  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-highwire-node-pager" >
  
      
  
  <div class="pane-content">
    <div class="pager highwire-pager pager-mini clearfix highwire-node-pager highwire-article-pager"><span class="pager-prev"><a href="/content/34/1/169" title="Temperature-Sensitive poly(N-Isopropylacrylamide-Co-Butyl Methylacrylate) Nanogel as an Embolic Agent: Distribution, Durability of Vascular Occlusion, and Inflammatory Reactions in the Renal Artery of Rabbits" rel="prev" class="pager-link-prev link-icon"><span class="icon-circle-arrow-left"></span> <span class="title">Previous</span></a></span><span class="pager-next"><a href="/content/34/1/185" title="Intracranial Artery Stenosis or Occlusion Predicts Ischemic Recurrence after Transient Ischemic Attack" rel="next" class="pager-link-next link-icon-right link-icon"><span class="title">Next</span> <span class="icon-circle-arrow-right"></span></a></span></div>  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-highwire-back-to-top" >
  
      
  
  <div class="pane-content">
    <a href="#page" class="back-to-top" data-icon-position="" data-hide-link-title="0"><span class="icon-chevron-up"></span> Back to top</a>  </div>

  
  </div>
</div>
			</div>
		</div>
		
		<div class="sidebar-right-wrapper grid-10 omega">
			<div class="panel-panel panel-region-sidebar-right">
			  <div class="inside"><div class="panel-pane pane-panels-mini pane-jnl-ajnr-art-issue pane-style-alt-content" >
  
        <h2 class="pane-title">In this issue</h2>
    
  
  <div class="pane-content">
    <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_art_issue">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-highwire-article-citation" >
  
      
  
  <div class="pane-content">
    <div class="highwire-article-citation highwire-citation-type-highwire-issue node1733" data-node-nid="1733" id="node-1733--2856821215" data-pisa="ajnr;34/1" data-pisa-master="ajnr;34/1" data-apath="/ajnr/34/1.atom"><div class="highwire-cite highwire-cite-highwire-issue highwire-citation-jcore-issue-widget clearfix">
    
      <div class="highwire-cite-highlight"><a href="/content/34/1"  class="highlight-image-linked"><img class="highlight-image" src="http://ajnr-stage2.stage.highwire.org/sites/default/files/styles/medium/public/highwire/ajnr/34/1.cover-source.jpg?itok=vft4efPU" alt="American Journal of Neuroradiology: 34 (1)" /></a></div>
  
  <div class="highwire-cite-col">
      
      
          <a href="/content/34/1" class="highwire-cite-linked-title" data-icon-position="" data-hide-link-title="0"><span class="highwire-cite-title">American Journal of Neuroradiology</span></a>      
      
        	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-volume highwire-cite-metadata">Vol. 34</span>, <span  class="highwire-cite-metadata-issue highwire-cite-metadata">Issue 1 </span><div  class="highwire-cite-metadata-pubdate highwire-cite-metadata">1 Jan 2013 </div></div>
      
      
        	<div class="highwire-cite-extras"><div class='highwire-article-citation-variant-list'><ul class="links variants-list"><li class="toc first"><a href="/content/34/1.toc" class="highwire-variant-link variant-toc " title="Table of Contents" rel="alternate" type="text/html" data-icon-position="" data-hide-link-title="0">Table of Contents</a></li><li class="index-by-author last"><a href="/content/34/1.index-by-author" class="highwire-variant-link variant-index-by-author " title="Index by author" rel="alternate" data-icon-position="" data-hide-link-title="0">Index by author</a></li></ul></div></div>
      </div>

</div></div>  </div>

  
  </div>
</div>
  </div>
</div>
  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-panels-mini pane-jnl-ajnr-ad-rhs" >
  
      
  
  <div class="pane-content">
    <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_ad_rhs">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-dfp-pane text-center" >
  
      
  
  <div class="pane-content">
    <div id="dfp-ad-rhs-wrapper" class="dfp-tag-wrapper">
<div class="slug">Advertisement</div>
<div  id="dfp-ad-rhs" class="dfp-tag-wrapper">
  <script type="text/javascript">
    googletag.cmd.push(function() {
      googletag.display("dfp-ad-rhs");
    });
  </script>
</div>
</div>  </div>

  
  </div>
</div>
  </div>
</div>
  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-panels-mini pane-jnl-ajnr-art-tools" >
  
      
  
  <div class="pane-content">
    <div id="mini-panel-jnl_ajnr_art_tools" class="highwire-2col-stacked panel-display">
	  
  <div class="panel-row-wrapper clearfix">
		<div class="content-left-wrapper content-column">
          <div class="panel-panel panel-region-content-left">
            <div class="inside"><div class="panel-pane pane-highwire-variant-link" >
  
      
  
  <div class="pane-content">
    <a href="/content/ajnr/34/1/177.full-text.print" target="_blank" rel="nofollow" class="link-icon"><span class="icon-print"></span> <span class="title">Print</span></a>  </div>

  
  </div>
<div class="panel-pane pane-highwire-variant-link text-no-wrap" >
  
      
  
  <div class="pane-content">
    <a href="/content/ajnr/34/1/177.full-text.pdf" target="_blank" class="link-icon"><span class="icon-download-alt"></span> <span class="title">Download PDF</span></a>  </div>

  
  </div>
<div class="panel-pane pane-minipanel-dialog-link pane-jnl-ajnr-art-email" >
  
      
  
  <div class="pane-content">
    <div class='minipanel-dialog-wrapper'><div class='minipanel-dialog-link-link'><a href="/" oncontextmenu="javascript: return false;" class="minipanel-dialog-link-trigger link-icon" title="Email this Article"><span class="icon-envelope"></span> <span class="title">Email Article</span></a></div><div class='minipanel-dialog-link-mini' style='display:none'><div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_art_email">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-block pane-forward-form pane-forward" >
  
      
  
  <div class="pane-content">
    <form action="/content/34/1/177/tab-supplemental" method="post" id="forward-form" accept-charset="UTF-8"><div><div id="edit-instructions" class="form-item form-item-label-before form-type-item">
 <p>Thank you for your interest in spreading the word on American Journal of Neuroradiology.</p><p>NOTE: We only request your email address so that the person you are recommending the page to knows that you wanted them to see it, and that it is not junk mail. We do not capture any email address.</p>
</div>
<div class="form-item form-item-label-before form-type-textfield form-item-email">
  <label for="edit-email">Your Email <span class="form-required" title="This field is required.">*</span></label>
 <input type="text" id="edit-email" name="email" value="" size="58" maxlength="256" class="form-text required" />
</div>
<div class="form-item form-item-label-before form-type-textfield form-item-name">
  <label for="edit-name">Your Name <span class="form-required" title="This field is required.">*</span></label>
 <input type="text" id="edit-name" name="name" value="" size="58" maxlength="256" class="form-text required" />
</div>
<div class="form-item form-item-label-before form-type-textarea form-item-recipients">
  <label for="edit-recipients">Send To <span class="form-required" title="This field is required.">*</span></label>
 <div class="form-textarea-wrapper resizable"><textarea id="edit-recipients" name="recipients" cols="50" rows="5" class="form-textarea required"></textarea></div>
<div class="description">Enter multiple addresses on separate lines or separate them with commas.</div>
</div>
<div id="edit-page" class="form-item form-item-label-before form-type-item">
  <label for="edit-page">You are going to email the following </label>
 <a href="/content/34/1/177" class="active" data-icon-position="" data-hide-link-title="0">Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques</a>
</div>
<div id="edit-subject" class="form-item form-item-label-before form-type-item">
  <label for="edit-subject">Message Subject </label>
 (Your Name) has sent you a message from American Journal of Neuroradiology
</div>
<div id="edit-body" class="form-item form-item-label-before form-type-item">
  <label for="edit-body">Message Body </label>
 (Your Name) thought you would like to see the American Journal of Neuroradiology web site.
</div>
<div class="form-item form-item-label-before form-type-textarea form-item-message">
  <label for="edit-message--2">Your Personal Message </label>
 <div class="form-textarea-wrapper resizable"><textarea id="edit-message--2" name="message" cols="50" rows="10" class="form-textarea"></textarea></div>
</div>
<input type="hidden" name="path" value="node/12378" />
<input type="hidden" name="path_cid" value="" />
<input type="hidden" name="forward_footer" value="" />
<input type="hidden" name="form_build_id" value="form-PG2Or_HG-hpqX2pTWlWpmV5zGAV2Pqg_QTmm9xwVg2c" />
<input type="hidden" name="form_id" value="forward_form" />
<fieldset class="captcha form-wrapper"><legend><span class="fieldset-legend">CAPTCHA</span></legend><div class="fieldset-wrapper"><div class="fieldset-description">This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.</div><input type="hidden" name="captcha_sid" value="108751010" />
<input type="hidden" name="captcha_token" value="7a969daf4c101cf8ee13cb0c17260649" />
<input type="hidden" name="captcha_response" value="Google no captcha" />
<div class="g-recaptcha" data-sitekey="6LfnJVIUAAAAAE-bUOMg0MJGki4lqSvDmhJp19fN" data-theme="light" data-type="image"></div></div></fieldset>
<div class="form-actions form-wrapper" id="edit-actions"><input type="submit" id="edit-submit" name="op" value="Send Message" class="form-submit" /></div></div></form>  </div>

  
  </div>
</div>
  </div>
</div>
</div></div>  </div>

  
  </div>
<div class="panel-pane pane-minipanel-dialog-link pane-jnl-ajnr-cite-tool" >
  
      
  
  <div class="pane-content">
    <div class='minipanel-dialog-wrapper'><div class='minipanel-dialog-link-link'><a href="/highwire/citation/12378/download" oncontextmenu="javascript: return false;" class="minipanel-dialog-link-trigger link-icon" title="Citation Tools"><span class="icon-globe"></span> <span class="title">Citation Tools</span></a></div><div class='minipanel-dialog-link-mini' style='display:none'><div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_cite_tool">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-highwire-citation-export" >
  
      
  
  <div class="pane-content">
    <div class="highwire-citation-export">  
  <div class="highwire-citation-info">
      <div class="highwire-article-citation highwire-citation-type-highwire-article cite-tool-node12378" data-node-nid="12378" id="citation-node-12378--2179434115" data-pisa="ajnr;34/1/177" data-pisa-master="ajnr;ajnr.A3132" data-apath="/ajnr/34/1/177.atom"><div class="highwire-cite highwire-cite-highwire-article highwire-citation-jcore-standard clearfix">
  
  
  
  
      <div class="highwire-cite-title">Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques</div>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0"><span class="nlm-given-names">M.</span> <span class="nlm-surname">Etesami</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">Y.</span> <span class="nlm-surname">Hoi</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">D.A.</span> <span class="nlm-surname">Steinman</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">S.K.</span> <span class="nlm-surname">Gujar</span></span>, <span class="highwire-citation-author" data-delta="4"><span class="nlm-given-names">A.E.</span> <span class="nlm-surname">Nidecker</span></span>, <span class="highwire-citation-author" data-delta="5"><span class="nlm-given-names">B.C.</span> <span class="nlm-surname">Astor</span></span>, <span class="highwire-citation-author" data-delta="6"><span class="nlm-given-names">A.</span> <span class="nlm-surname">Portanova</span></span>, <span class="highwire-citation-author" data-delta="7"><span class="nlm-given-names">Y.</span> <span class="nlm-surname">Qiao</span></span>, <span class="highwire-citation-author" data-delta="8"><span class="nlm-given-names">W.M.A.</span> <span class="nlm-surname">Abdalla</span></span>, <span class="highwire-citation-author" data-delta="9"><span class="nlm-given-names">B.A.</span> <span class="nlm-surname">Wasserman</span></span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-oa-ind highwire-cite-metadata"><i class="highwire-oa-indicator"></i> </span><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">Jan 2013, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">34 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(1) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">177-184; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata"><span class="label">DOI:</span> 10.3174/ajnr.A3132 </span></div>
  
  
  
</div>
</div>  </div>
  <div class="highwire-citation-formats">
  	      <h2>Citation Manager Formats</h2>
        <div class="highwire-citation-formats-links">
      <span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.spage=177&amp;rft.epage=184&amp;rft.atitle=Comparison%20of%20Carotid%20Plaque%20Ulcer%20Detection%20Using%20Contrast-Enhanced%20and%20Time-of-Flight%20MRA%20Techniques&amp;rft.volume=34&amp;rft.issue=1&amp;rft.date=2013-01-01%2000%3A00%3A00&amp;rft.stitle&amp;rft.jtitle=American%20Journal%20of%20Neuroradiology&amp;rft.au=Etesami%2C+M.&amp;rft.au=Hoi%2C+Y.&amp;rft.au=Steinman%2C+D.A.&amp;rft.au=Gujar%2C+S.K.&amp;rft.au=Nidecker%2C+A.E.&amp;rft.au=Astor%2C+B.C.&amp;rft.au=Portanova%2C+A.&amp;rft.au=Qiao%2C+Y.&amp;rft.au=Abdalla%2C+W.M.A.&amp;rft.au=Wasserman%2C+B.A."></span><ul class="hw-citation-links inline button button-alt button-grid clearfix"><li class="bibtext first"><a href="/highwire/citation/12378/bibtext" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">BibTeX</a></li><li class="bookends"><a href="/highwire/citation/12378/bookends" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">Bookends</a></li><li class="easybib"><a href="/highwire/citation/12378/easybib" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">EasyBib</a></li><li class="endnote-tagged"><a href="/highwire/citation/12378/endnote-tagged" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">EndNote (tagged)</a></li><li class="endnote-8-xml"><a href="/highwire/citation/12378/endnote-8-xml" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">EndNote 8 (xml)</a></li><li class="medlars"><a href="/highwire/citation/12378/medlars" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">Medlars</a></li><li class="mendeley"><a href="/highwire/citation/12378/mendeley" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">Mendeley</a></li><li class="papers"><a href="/highwire/citation/12378/papers" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">Papers</a></li><li class="refworks-tagged"><a href="/highwire/citation/12378/refworks-tagged" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">RefWorks Tagged</a></li><li class="reference-manager"><a href="/highwire/citation/12378/reference-manager" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">Ref Manager</a></li><li class="ris"><a href="/highwire/citation/12378/ris" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">RIS</a></li><li class="zotero last"><a href="/highwire/citation/12378/zotero" class="hw-download-citation-link" data-icon-position="" data-hide-link-title="0">Zotero</a></li></ul>    </div>
  </div>
</div>
  </div>

  
  </div>
</div>
  </div>
</div>
</div></div>  </div>

  
  </div>
</div>
          </div>
        </div>
        
        <div class="content-right-wrapper content-column">
          <div class="panel-panel panel-region-content-right">
            <div class="inside"><div class="panel-pane pane-highwire-share-link highwire_clipboard_link_ajax"  id="shareit">
  
      
  
  <div class="pane-content">
    <a href="/" class="link-icon"><span class="icon-share-alt"></span> <span class="title">Share</span></a>  </div>

  
  </div>
<div class="panel-pane pane-panels-mini pane-jnl-ajnr-share highwire_clipboard_form_ajax_shareit" >
  
      
  
  <div class="pane-content">
    <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_share">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-highwire-article-citation large-margin-bottom" >
  
      
  
  <div class="pane-content">
    <div class="highwire-article-citation highwire-citation-type-highwire-article node12378--3" data-node-nid="12378" id="share-node-12378--4486924441" data-pisa="ajnr;34/1/177" data-pisa-master="ajnr;ajnr.A3132" data-apath="/ajnr/34/1/177.atom"><div class="highwire-cite highwire-cite-highwire-article highwire-citation-jcore-standard clearfix">
  
  
  
  
      <div class="highwire-cite-title">Comparison of Carotid Plaque Ulcer Detection Using Contrast-Enhanced and Time-of-Flight MRA Techniques</div>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0"><span class="nlm-given-names">M.</span> <span class="nlm-surname">Etesami</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">Y.</span> <span class="nlm-surname">Hoi</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">D.A.</span> <span class="nlm-surname">Steinman</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">S.K.</span> <span class="nlm-surname">Gujar</span></span>, <span class="highwire-citation-author" data-delta="4"><span class="nlm-given-names">A.E.</span> <span class="nlm-surname">Nidecker</span></span>, <span class="highwire-citation-author" data-delta="5"><span class="nlm-given-names">B.C.</span> <span class="nlm-surname">Astor</span></span>, <span class="highwire-citation-author" data-delta="6"><span class="nlm-given-names">A.</span> <span class="nlm-surname">Portanova</span></span>, <span class="highwire-citation-author" data-delta="7"><span class="nlm-given-names">Y.</span> <span class="nlm-surname">Qiao</span></span>, <span class="highwire-citation-author" data-delta="8"><span class="nlm-given-names">W.M.A.</span> <span class="nlm-surname">Abdalla</span></span>, <span class="highwire-citation-author" data-delta="9"><span class="nlm-given-names">B.A.</span> <span class="nlm-surname">Wasserman</span></span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-oa-ind highwire-cite-metadata"><i class="highwire-oa-indicator"></i> </span><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">Jan 2013, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">34 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(1) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">177-184; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata"><span class="label">DOI:</span> 10.3174/ajnr.A3132 </span></div>
  
  
  
</div>
</div>  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-highwire-article-clipboard-copy large-margin-bottom" >
  
      
  
  <div class="pane-content">
    <div class = "clipboard-copy">
  <span class="label-url">
    <label for="dynamic">Share This Article:</label>
  </span>
  <span class="input-text-url">
    <input type="text" id="dynamic" value="http://ajnr-stage2.stage.highwire.org/content/34/1/177" size="50"/>
  </span>
  <span class="copy-button button">
    <button id="copy-dynamic" class="clipboardjs-button" data-clipboard-target="#dynamic" data-clipboard-alert-style="tooltip" data-clipboard-alert-text="Copied!">Copy</button>
  </span>
</div>
  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-service-links" >
  
      
  
  <div class="pane-content">
    <div class="service-links"><a href="http://del.icio.us/post?url=http%3A//ajnr-stage2.stage.highwire.org/content/34/1/177&amp;title=Comparison%20of%20Carotid%20Plaque%20Ulcer%20Detection%20Using%20Contrast-Enhanced%20and%20Time-of-Flight%20MRA%20Techniques" id="delicious" title="Bookmark this post on del.icio.us" class="service-links-delicious" rel="nofollow" target="_blank" data-icon-position="" data-hide-link-title="0"><img src="http://ajnr-stage2.stage.highwire.org/sites/all/modules/highwire/highwire/images/delicious-32.png" alt="del.icio.us logo" /></a> <a href="http://twitter.com/share?url=http%3A//ajnr-stage2.stage.highwire.org/content/34/1/177&amp;text=Comparison%20of%20Carotid%20Plaque%20Ulcer%20Detection%20Using%20Contrast-Enhanced%20and%20Time-of-Flight%20MRA%20Techniques" id="twitter" title="Share this on Twitter" class="service-links-twitter" rel="nofollow" target="_blank" data-icon-position="" data-hide-link-title="0"><img src="http://ajnr-stage2.stage.highwire.org/sites/all/modules/highwire/highwire/images/twitter.png" alt="Twitter logo" /></a> <a href="http://www.facebook.com/sharer.php?u=http%3A//ajnr-stage2.stage.highwire.org/content/34/1/177&amp;t=Comparison%20of%20Carotid%20Plaque%20Ulcer%20Detection%20Using%20Contrast-Enhanced%20and%20Time-of-Flight%20MRA%20Techniques" id="facebook" title="Share on Facebook" class="service-links-facebook" rel="nofollow" target="_blank" data-icon-position="" data-hide-link-title="0"><img src="http://ajnr-stage2.stage.highwire.org/sites/all/modules/highwire/highwire/images/fb-blue.png" alt="Facebook logo" /></a> <a href="http://www.mendeley.com/import/?url=http%3A//ajnr-stage2.stage.highwire.org/content/34/1/177&amp;title=Comparison%20of%20Carotid%20Plaque%20Ulcer%20Detection%20Using%20Contrast-Enhanced%20and%20Time-of-Flight%20MRA%20Techniques" id="mendeley" title="Share on Mendeley" class="service-links-mendeley" rel="nofollow" target="_blank" data-icon-position="" data-hide-link-title="0"><img src="http://ajnr-stage2.stage.highwire.org/sites/all/modules/highwire/highwire/images/mendeley.png" alt="Mendeley logo" /></a></div>  </div>

  
  </div>
</div>
  </div>
</div>
  </div>

  
  </div>
<div class="panel-pane pane-service-links" >
  
      
  
  <div class="pane-content">
    <div class="service-links"><div class="item-list"><ul><li class="first"><a href="http://twitter.com/share?url=http%3A//ajnr-stage2.stage.highwire.org/content/34/1/177&amp;count=horizontal&amp;via=&amp;text=Comparison%20of%20Carotid%20Plaque%20Ulcer%20Detection%20Using%20Contrast-Enhanced%20and%20Time-of-Flight%20MRA%20Techniques&amp;counturl=http%3A//ajnr-stage2.stage.highwire.org/content/34/1/177" class="twitter-share-button service-links-twitter-widget" id="twitter_widget" title="Tweet This" rel="nofollow" target="_blank" data-icon-position="" data-hide-link-title="0"><span class="element-invisible">Tweet Widget</span></a></li><li><a href="http://www.facebook.com/plugins/like.php?href=http%3A//ajnr-stage2.stage.highwire.org/content/34/1/177&amp;layout=button_count&amp;show_faces=false&amp;action=like&amp;colorscheme=light&amp;width=100&amp;height=21&amp;font=&amp;locale=" id="facebook_like" title="I Like it" class="service-links-facebook-like" rel="nofollow" target="_blank" data-icon-position="" data-hide-link-title="0"><span class="element-invisible">Facebook Like</span></a></li><li class="last"><a href="http://ajnr-stage2.stage.highwire.org/content/34/1/177" id="google_plus_one" title="Plus it" class="service-links-google-plus-one" rel="nofollow" target="_blank" data-icon-position="" data-hide-link-title="0"><span class="element-invisible">Google Plus One</span></a></li></ul></div></div>  </div>

  
  </div>
</div>
          </div>
        </div>
	</div> <!-- /.panel-row-wrapper -->	
	
	</div>

  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-jnl-ajnr-rental" >
  
      
  
  <div class="pane-content">
    <span class="js-deepdyve-link">
            <a class="button btn btn-primary btn-sm" role="button"  href="https://www.deepdyve.com/doc-view?docId=10.3174/ajnr.A3132&fieldName=journal_doi&affiliateId=asnr"><i class="icon-usd"> </i> Purchase</a>  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-highwire-article-nav mobile-hidden pane-style-alt-content" >
  
        <h2 class="pane-title">Jump to section</h2>
    
  
  <div class="pane-content">
    <div class="highwire-list-wrapper highwire-article-nav highwire-nav-float"><div class="highwire-list"><ul data-highwire-float="1" data-highwire-float-class="grid-10 alpha omega"><li class="parent first odd"><a href="/content/34/1/177" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_art" data-is-tab-link="true" data-icon-position="" data-hide-link-title="0">Article</a><div class="highwire-list"><ul><li class="first odd"><a href="#abstract-1" class="highwire-article-nav-jumplink first" data-panel-ajax-tab="jnl_ajnr_tab_art" data-icon-position="" data-hide-link-title="0">Abstract</a></li><li class="even"><a href="#glossary-1" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_art" data-icon-position="" data-hide-link-title="0">ABBREVIATIONS:</a></li><li class="odd"><a href="#sec-5" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_art" data-icon-position="" data-hide-link-title="0">Materials and Methods</a></li><li class="even"><a href="#sec-11" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_art" data-icon-position="" data-hide-link-title="0">Results</a></li><li class="odd"><a href="#sec-17" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_art" data-icon-position="" data-hide-link-title="0">Discussion</a></li><li class="even"><a href="#sec-18" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_art" data-icon-position="" data-hide-link-title="0">Conclusions</a></li><li class="odd"><a href="#ack-1" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_art" data-icon-position="" data-hide-link-title="0">Acknowledgments</a></li><li class="even"><a href="#fn-group-1" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_art" data-icon-position="" data-hide-link-title="0">Footnotes</a></li><li class="last odd"><a href="#ref-list-1" class="highwire-article-nav-jumplink last" data-panel-ajax-tab="jnl_ajnr_tab_art" data-icon-position="" data-hide-link-title="0">References</a></li></ul></div></li><li class="even"><a href="/content/34/1/177/tab-figures-data" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_data" data-is-tab-link="true" data-icon-position="" data-hide-link-title="0">Figures &amp; Data</a></li><li class="odd"><a href="/content/34/1/177/tab-supplemental" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_supp" data-is-tab-link="true" data-icon-position="" data-hide-link-title="0">Supplemental</a></li><li class="even"><a href="/content/34/1/177/tab-references" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_refs" data-is-tab-link="true" data-icon-position="" data-hide-link-title="0">References</a></li><li class="odd"><a href="/content/34/1/177/tab-article-info" class="highwire-article-nav-jumplink" data-panel-ajax-tab="jnl_ajnr_tab_info" data-is-tab-link="true" data-icon-position="" data-hide-link-title="0">Info &amp; Metrics</a></li><li class="last even"><a href="/content/34/1/177.full.pdf" class="highwire-article-nav-jumplink" data-icon-position="" data-hide-link-title="0"><i class="icon-file-alt"></i> PDF</a></li></ul></div></div>  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-panels-mini pane-jnl-ajnr-accordion" >
  
      
  
  <div class="pane-content">
    <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_accordion">
  <div class="panel-panel panel-col">
    <div><div id="highwire_article_accordion_container"><h3 ><i class="icon-caret-right"></i> Related Articles</h3><div><div class='highwire-list-footer'><div class="highwire-related-articles-footer"><ul class="links inline"><li class="related-pubmed first"><a href="/lookup/external-ref?link_type=MED_NBRS&amp;access_num=22627797" target="_blank" class="" data-icon-position="" data-hide-link-title="0">PubMed</a></li><li class="related-google-scholar last"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=related&amp;author%5B0%5D=M.%2BEtesami&amp;author%5B1%5D=Y.%2BHoi&amp;author%5B2%5D=D.A.%2BSteinman&amp;author%5B3%5D=S.K.%2BGujar&amp;author%5B4%5D=A.E.%2BNidecker&amp;author%5B5%5D=B.C.%2BAstor&amp;author%5B6%5D=A.%2BPortanova&amp;author%5B7%5D=Y.%2BQiao&amp;author%5B8%5D=W.M.A.%2BAbdalla&amp;author%5B9%5D=B.A.%2BWasserman&amp;title=Comparison%2Bof%2BCarotid%2BPlaque%2BUlcer%2BDetection%2BUsing%2BContrast-Enhanced%2Band%2BTime-of-Flight%2BMRA%2BTechniques&amp;publication_year=2013&amp;path=content/34/1/177" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Google Scholar</a></li></ul></div></div></div><h3 ><i class="icon-caret-right"></i> Cited By...</h3><div><div class="highwire-list highwire-cited-by"><ul><li class="first odd"><a href="http://svn.bmj.com/cgi/content/full/7/6/465" class="" data-icon-position="" data-hide-link-title="0"><div class="highwire-cite-title">Unifying theory of carotid plaque disruption based on structural phenotypes and forces expressed at the lumen/wall interface</div></a><div class="variant-links"></div></li><li class="even"><a href="http://www.ajnr.org/cgi/content/full/39/2/E9" class="" data-icon-position="" data-hide-link-title="0"><div class="highwire-cite-title">Carotid Artery Wall Imaging: Perspective and Guidelines from the ASNR Vessel Wall Imaging Study Group and Expert Consensus Recommendations of the American Society of Neuroradiology</div></a><div class="variant-links"></div></li><li class="odd"><a href="http://www.ajnr.org/cgi/content/full/38/4/664" class="" data-icon-position="" data-hide-link-title="0"><div class="highwire-cite-title">Imaging Carotid Atherosclerosis Plaque Ulceration: Comparison of Advanced Imaging Modalities and Recent Developments</div></a><div class="variant-links"></div></li><li class="last even"><a href="http://jnis.bmj.com/cgi/content/full/6/2/87" class="" data-icon-position="" data-hide-link-title="0"><div class="highwire-cite-title">Standards of practice and reporting standards for carotid artery angioplasty and stenting</div></a><div class="variant-links"></div></li></ul></div><div class='highwire-list-footer'><ul class="links inline"><li class="citing-cross-ref first"><a href="/crossref-forward-links/ajnr/34/1/177#crossref" class="hw-crossref hw-crossref-link-ajax" data-list-wrapper="hw-crossref-list-wrapper" target="_blank" data-icon-position="" data-hide-link-title="0">Crossref</a></li><li class="citing-google-scholar last"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=citedby&amp;path=content/34/1/177" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Google Scholar</a></li></ul></div><div title="Crossref Cited-by Linking Search Results" style="display:none;" class="hw-crossref-list-wrapper"><p class = "hw-crossref-message">This article has not yet been cited by articles in journals that are participating in Crossref Cited-by Linking.</p></div></div><h3 ><i class="icon-caret-right"></i> More in this TOC Section</h3><div><div class="highwire-list highwire-article-citation-list"><ul><li class="first odd"><div class="highwire-article-citation highwire-citation-type-highwire-article node103489" data-node-nid="103489" id="node-103489--21764920755" data-pisa="ajnr;44/8/943" data-pisa-master="ajnr;ajnr.A7942" data-apath="/ajnr/44/8/943.atom"><div class="highwire-cite highwire-cite-highwire-article highwire-citation-jcore-standard-title-only clearfix">
  
  
  
  
      <a href="/content/44/8/943" class="highwire-cite-linked-title" data-icon-position="" data-hide-link-title="0"><span class="highwire-cite-title">Mapping of Anatomic Variants of the Proximal Vertebral Artery in Relation to Embryology</span></a>  
  
  
  
  
</div>
</div></li><li class="even"><div class="highwire-article-citation highwire-citation-type-highwire-article node103486" data-node-nid="103486" id="node-103486--21410073016" data-pisa="ajnr;44/8/880" data-pisa-master="ajnr;ajnr.A7921" data-apath="/ajnr/44/8/880.atom"><div class="highwire-cite highwire-cite-highwire-article highwire-citation-jcore-standard-title-only clearfix">
  
  
  
  
      <a href="/content/44/8/880" class="highwire-cite-linked-title" data-icon-position="" data-hide-link-title="0"><span class="highwire-cite-title">MR Imaging of Carotid Artery Atherosclerosis: Updated Evidence on High-Risk Plaque Features and Emerging Trends</span></a>  
  
  
  
  
</div>
</div></li><li class="last odd"><div class="highwire-article-citation highwire-citation-type-highwire-article node100970" data-node-nid="100970" id="node-100970--21183043279" data-pisa="ajnr;44/2/118" data-pisa-master="ajnr;ajnr.A7750" data-apath="/ajnr/44/2/118.atom"><div class="highwire-cite highwire-cite-highwire-article highwire-citation-jcore-standard-title-only clearfix">
  
  
  
  
      <a href="/content/44/2/118" class="highwire-cite-linked-title" data-icon-position="" data-hide-link-title="0"><span class="highwire-cite-title">Nonstenotic Carotid Plaques and Embolic Stroke of Undetermined Source: A Multimodality Review</span></a>  
  
  
  
  
</div>
</div></li></ul></div><div class='highwire-list-footer'><a href="/content/by/section/Extracranial%20Vascular" class="" data-icon-position="" data-hide-link-title="0">Show more <span class="wrapper">EXTRACRANIAL VASCULAR</span></a></div></div><h3 ><i class="icon-caret-right"></i> Similar Articles</h3><div><div class="highwire-search-similar-ajax-wrapper" id="highwire-search-similar-articles-list-1"><div class="highwire-ajax-loading"><span class="icon-spinner icon-spin icon-2x"></span></div></div></div></div></div>
  </div>
</div>
  </div>

  
  </div>
</div>
			</div>
		</div>
	
	</div> <!-- /.panel-row-wrapper -->	
	
	</div>

    </div>
  </div>
</div><div class="block block-panels-mini more-padding-top mobile-hiddens block-jnl-ajnr-ad-bot-leaderboard block-panels-mini-jnl-ajnr-ad-bot-leaderboard even block-without-title" id="block-panels-mini-jnl-ajnr-ad-bot-leaderboard">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_ad_bot_leaderboard">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-dfp-pane text-center" >
  
      
  
  <div class="pane-content">
    <div id="dfp-ad-bottom_leaderboard-wrapper" class="dfp-tag-wrapper">
<div class="slug">Advertisement</div>
<div  id="dfp-ad-bottom_leaderboard" class="dfp-tag-wrapper">
  <script type="text/javascript">
    googletag.cmd.push(function() {
      googletag.display("dfp-ad-bottom_leaderboard");
    });
  </script>
</div>
</div>  </div>

  
  </div>
</div>
  </div>
</div>
    </div>
  </div>
</div>      </div>
</div>  </div>
</section>    
  
      <footer id="section-footer" class="section section-footer">
    
  <div id="zone-postscript" class="zone zone-postscript clearfix container-30">
    <div class="grid-28 suffix-1 prefix-1 region region-postscript-fourth" id="region-postscript-fourth">
  <div class="region-inner region-postscript-fourth-inner">
    <div class="block block-panels-mini block-jnl-ajnr-footer block-panels-mini-jnl-ajnr-footer odd block-without-title" id="block-panels-mini-jnl-ajnr-footer">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panels-960-row jcore-row-4col clearfix" id="mini-panel-jnl_ajnr_footer">
  <div class="panel-panel panel-region-col-1 grid-7 alpha">
    <div class="inside"><div class="panel-pane pane-block pane-menu-navigate pane-menu" >
  
        <h2 class="pane-title">News and Updates</h2>
    
  
  <div class="pane-content">
    <nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf" role="menuitem"><a href="https://www.ajnr.org/cc/2024-Awards" data-hide-link-title="0" class="" data-icon-position="">2024 Journal Award Winners</a></li>
<li class="last leaf" role="menuitem"><a href="/page/content/Reviewer-Recognition" data-hide-link-title="0" class="" data-icon-position="">Thanks to our 2023 Distinguished Reviewers</a></li>
</ul></nav>  </div>

  
  </div>
</div>
  </div>
  <div class="panel-panel panel-region-col-2 grid-7">
    <div class="inside"><div class="panel-pane pane-block pane-menu-more-information pane-menu" >
  
        <h2 class="pane-title">Resources</h2>
    
  
  <div class="pane-content">
    <nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf" role="menuitem"><a href="/page/content/EBM" data-hide-link-title="0" class="" data-icon-position="">Evidence-Based Medicine Level Guide</a></li>
<li class="leaf" role="menuitem"><a href="/content/browse-podcast-archives" data-hide-link-title="0" class="" data-icon-position="">AJNR Podcast Archive</a></li>
<li class="leaf" role="menuitem"><a href="/content/institutional-subscriptions" data-hide-link-title="0" class="" data-icon-position="">Librarian Resources</a></li>
<li class="last leaf" role="menuitem"><a href="http://www.ajnr.org/page/content/Terms-and-Conditions" data-hide-link-title="0" class="" data-icon-position="">Terms and Conditions</a></li>
</ul></nav>  </div>

  
  </div>
</div>
  </div>
  <div class="panel-panel panel-region-col-3 grid-7">
    <div class="inside"><div class="panel-pane pane-block pane-menu-add-journals pane-menu" >
  
        <h2 class="pane-title">Opportunities</h2>
    
  
  <div class="pane-content">
    <nav class="menubar-nav"><ul class="menu" role="menu"><li class="first last leaf" role="menuitem"><a href="/page/content/Publons" data-hide-link-title="0" class="" data-icon-position="">Get Peer Review Credit from Publons</a></li>
</ul></nav>  </div>

  
  </div>
</div>
  </div>
  <div class="panel-panel panel-region-col-4 grid-7 omega">
    <div class="inside"><div class="panel-pane pane-block pane-menu-other-services pane-menu" >
  
        <h2 class="pane-title">American Society of Neuroradiology</h2>
    
  
  <div class="pane-content">
    <nav class="menubar-nav"><ul class="menu" role="menu"><li class="first leaf" role="menuitem"><a href="http://www.neurographics.org/" data-hide-link-title="0" class="" data-icon-position="">Neurographics</a></li>
<li class="leaf" role="menuitem"><a href="http://www.asnr.org/index.php/education/fellowship-portal/" data-hide-link-title="0" class="" data-icon-position="">Fellowship Portal</a></li>
<li class="last leaf" role="menuitem"><a href="https://www.asnr.org/membership-types/" data-hide-link-title="0" class="" data-icon-position="">Not an ASNR Member? Join Now</a></li>
</ul></nav>  </div>

  
  </div>
</div>
  </div>
</div>    </div>
  </div>
</div>  </div>
</div>  </div>
  
  <div id="zone-footer" class="zone zone-footer clearfix container-30">
    <div class="grid-28 suffix-1 prefix-1 region region-footer-first" id="region-footer-first">
  <div class="region-inner region-footer-first-inner">
    <div class="block block-panels-mini block-jnl-ajnr-foot-info block-panels-mini-jnl-ajnr-foot-info odd block-without-title" id="block-panels-mini-jnl-ajnr-foot-info">
  <div class="block-inner clearfix">
                
    <div class="content clearfix">
      <div class="panel-display panel-1col clearfix" id="mini-panel-jnl_ajnr_foot_info">
  <div class="panel-panel panel-col">
    <div><div class="panel-pane pane-page-logo-footer" >
  
      
  
  <div class="pane-content">
    <img class="footer-logo" src="http://ajnr-stage2.stage.highwire.org/sites/default/files/ajnr-logo.png" alt="" />  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-snippet pane-footer-copyright-text" >
  
      
  
  <div class="pane-content">
    <div class="snippet footer-copyright-text" id="footer-copyright-text">
  
      
  <div class="snippet-content">
    <p>&copy; 2025 by the <a href="http://www.asnr.org">American Society of Neuroradiology</a> All rights, including for text and data mining, AI training, and similar technologies, are reserved.<br />
Print ISSN: 0195-6108 Online ISSN: 1936-959X</p>
  </div>

</div>
  </div>

  
  </div>
<div class="panel-separator"></div><div class="panel-pane pane-highwire-branding" >
  
      
  
  <div class="pane-content">
    <a href="http://home.highwire.org" target="_blank" class="highwire-branding-link" data-icon-position="" data-hide-link-title="0"><img class="logo-highwire" src="http://ajnr-stage2.stage.highwire.org/sites/all/modules/highwire/highwire/plugins/content_types/images/logo_small_hw_white.png" width="190" height="31" alt="Powered by HighWire" /></a>  </div>

  
  </div>
</div>
  </div>
</div>
    </div>
  </div>
</div>  </div>
</div>  </div>
</footer>  </div>    <div class="region region-page-bottom" id="region-page-bottom">
  <div class="region-inner region-page-bottom-inner">
      </div>
</div><script type="text/javascript" src="/sites/default/files/advagg_js/js__bnwyEQSuZLC-kZnFqCi5iE02nOCzM7DjY7zYxcN9nsQ__VBiBT_qq_eHMMO2Q1rXK1u-hHff31XLUkmi9dgjuPeY__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__GM3GJPR36rRIz0TRkjC5OQwrioSyN9aoYRivDhCO_AM__qAl84FcCv2jyN22yFGS5Oc85cjd9zKX6p_cFNLGhe-M__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js" async="async"></script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__5rwSVo72nmOtN2hW3o9YjBGMCXDieCuEPKlUmKL08dg__ZugCEUX_LdPnu34Sm-TuHiBlSJVE36DwquW02RzlluM__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
function euCookieComplianceLoadScripts() {}
//--><!]]>
</script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
var eu_cookie_compliance_cookie_name = "";
//--><!]]>
</script>
<script type="text/javascript" src="/sites/default/files/advagg_js/js__WcTpt-w0y1FyXrxZNriX8Ts1KjsFTDpdvZaw9yhRn24__aFJpdvsZPb1v9rWrq-WXbz_WQ9IThQN-mFTCdm1cfXc__Op4k-kV4DoWc7bsUP7umKmZ0WXfmoYdRDoZFPNSd-oM.js"></script>
  </body>
</html>