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<meta name="DC.Title" content="Cerebral MR Venography: Normal Anatomy and Potential Diagnostic Pitfalls" />
<meta name="DC.Date" content="2000-01-01" />
<meta name="DC.Publisher" content="American Journal of Neuroradiology" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: MR venography is often used to examine the intracranial venous system, particularly in the evaluation of dural sinus thrombosis. The purpose of this study was to evaluate the use of MR venography in the depiction of the normal intracranial venous anatomy and its variants, to assess its potential pitfalls in the diagnosis of dural venous sinus thrombosis, and to compare the findings with those of conventional catheter angiography.

METHODS: Cerebral MR venograms obtained in 100 persons with normal MR imaging studies were reviewed to determine the presence or absence of the dural sinuses and major intracranial veins.

RESULTS: Systematic review of the 100 cases revealed transverse sinus flow gaps in 31% of the cases, with 90% of these occurring in the nondominant transverse sinus and 10% in the codominant transverse sinuses. No flow gaps occurred in the dominant transverse sinuses. The superior sagittal and straight sinuses were seen in every venogram; the occipital sinus was seen in only 10%. The vein of Galen and internal cerebral veins were also seen in every case; the basal veins of Rosenthal were present in 91%.

CONCLUSIONS: Transverse sinus flow gaps can be observed in as many as 31% of patients with normal MR imaging findings; these gaps should not be mistaken for dural sinus thrombosis." />
<meta name="DC.Contributor" content="R. H. Ayanzen" />
<meta name="DC.Contributor" content="C. R. Bird" />
<meta name="DC.Contributor" content="P. J. Keller" />
<meta name="DC.Contributor" content="F. J. McCully" />
<meta name="DC.Contributor" content="M. R. Theobald" />
<meta name="DC.Contributor" content="J. E. Heiserman" />
<meta name="article:published_time" content="2000-01-01" />
<meta name="article:section" content="BRAIN" />
<meta name="citation_title" content="Cerebral MR Venography: Normal Anatomy and Potential Diagnostic Pitfalls" />
<meta name="citation_abstract" lang="en" content="&lt;p&gt;&lt;i&gt;BACKGROUND AND PURPOSE:&lt;/i&gt; MR venography is often used to examine the intracranial venous system, particularly in the evaluation of dural sinus thrombosis. The purpose of this study was to evaluate the use of MR venography in the depiction of the normal intracranial venous anatomy and its variants, to assess its potential pitfalls in the diagnosis of dural venous sinus thrombosis, and to compare the findings with those of conventional catheter angiography.&lt;/p&gt;&lt;p&gt;&lt;i&gt;METHODS:&lt;/i&gt; Cerebral MR venograms obtained in 100 persons with normal MR imaging studies were reviewed to determine the presence or absence of the dural sinuses and major intracranial veins.&lt;/p&gt;&lt;p&gt;&lt;i&gt;RESULTS:&lt;/i&gt; Systematic review of the 100 cases revealed transverse sinus flow gaps in 31% of the cases, with 90% of these occurring in the nondominant transverse sinus and 10% in the codominant transverse sinuses. No flow gaps occurred in the dominant transverse sinuses. The superior sagittal and straight sinuses were seen in every venogram; the occipital sinus was seen in only 10%. The vein of Galen and internal cerebral veins were also seen in every case; the basal veins of Rosenthal were present in 91%.&lt;/p&gt;&lt;p&gt;&lt;i&gt;CONCLUSIONS:&lt;/i&gt; Transverse sinus flow gaps can be observed in as many as 31% of patients with normal MR imaging findings; these gaps should not be mistaken for dural sinus thrombosis.&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="2000/01/01" />
<meta name="citation_mjid" content="ajnr;21/1/74" />
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<meta name="citation_issn" content="0195-6108" />
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<meta name="citation_author" content="R. H. Ayanzen" />
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<meta name="citation_author" content="C. R. Bird" />
<meta name="citation_author_institution" content="From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ." />
<meta name="citation_author" content="P. J. Keller" />
<meta name="citation_author_institution" content="From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ." />
<meta name="citation_author" content="F. J. McCully" />
<meta name="citation_author_institution" content="From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ." />
<meta name="citation_author" content="M. R. Theobald" />
<meta name="citation_author_institution" content="From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ." />
<meta name="citation_author" content="J. E. Heiserman" />
<meta name="citation_author_institution" content="From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ." />
<meta name="citation_reference" content="Yasargil MG, Damur M. Thrombosis of the cerebral veins dural sinuses. In: Newton TH, Potts DJ, eds Radiology of the Skull and Brain: Angiography St. Louis: Mosby-Year Book; 1974;2:2375-2400" />
<meta name="citation_reference" content="Casey SO, Alberico RA, Patel M, et al. Cerebral CT venography. Radiology 1996;198:163-170" />
<meta name="citation_reference" content="Heiserman JE, Dean BL, Hodak JA, et al. Neurologic complications of cerebral angiography. AJNR Am J Neuroradiol 1994;15:1401-1407" />
<meta name="citation_reference" content="Padayachee TS, Bingham JB, Graves MJ, Colchester AC, Cox TC. Dural sinus thrombosis: diagnosis and follow-up by magnetic resonance angiography and imaging. Neuroradiology 1991;33:165-167" />
<meta name="citation_reference" content="Mattle HP, Wentz KU, Edelman RR, et al. Cerebral venography with MR. Radiology 1991;178:453-458" />
<meta name="citation_reference" content="Chakeres DW, Schmalbrock P, Brogan M, Yuan C, Cohen L. Normal venous anatomy of the brain: demonstration with gadopentate dimeglumine in enhanced 3-D MR angiography. AJNR Am J Neuroradiol 1990;11:1107-1118" />
<meta name="citation_reference" content="Browning H. The confluence of dural venous sinuses. Am J Anat 1953;93:307-329" />
<meta name="citation_reference" content="Dora F, Zileli T. Common variations of the lateral and occipital sinuses at the confluens sinuum. Neuroradiology 1980;20:23-27" />
<meta name="citation_reference" content="Bisaria KK. Anatomic variations of venous sinuses in the region of the torcular Herophili. J Neurosurg 1985;62:90-95" />
<meta name="citation_reference" content="Das AC, Hasan M. The occipital sinus. J Neurosurg 1970;33:307-311" />
<meta name="citation_reference" content="Ayanzen RH, Keller PJ, Heiserman JE. A novel postprocessing method for 2D TOF MRA. In: Proceedings of the International Society for Magnetic Resonance in Medicine. 1997;1849" />
<meta name="twitter:title" content="Cerebral MR Venography: Normal Anatomy and Potential Diagnostic Pitfalls" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: MR venography is often used to examine the intracranial venous system, particularly in the evaluation of dural sinus thrombosis. The purpose of this study was to evaluate the use of MR venography in the depiction of the normal intracranial venous anatomy and its variants, to assess its potential pitfalls in the diagnosis of dural venous sinus thrombosis, and to compare the findings with those of conventional catheter angiography.

METHODS: Cerebral MR venograms obtained in 100 persons with normal MR imaging studies were reviewed to determine the presence or absence of the dural sinuses and major intracranial veins.

RESULTS: Systematic review of the 100 cases revealed transverse sinus flow gaps in 31% of the cases, with 90% of these occurring in the nondominant transverse sinus and 10% in the codominant transverse sinuses. No flow gaps occurred in the dominant transverse sinuses. The superior sagittal and straight sinuses were seen in every venogram; the occipital sinus was seen in only 10%. The vein of Galen and internal cerebral veins were also seen in every case; the basal veins of Rosenthal were present in 91%.

CONCLUSIONS: Transverse sinus flow gaps can be observed in as many as 31% of patients with normal MR imaging findings; these gaps should not be mistaken for dural sinus thrombosis." />
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<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: MR venography is often used to examine the intracranial venous system, particularly in the evaluation of dural sinus thrombosis. The purpose of this study was to evaluate the use of MR venography in the depiction of the normal intracranial venous anatomy and its variants, to assess its potential pitfalls in the diagnosis of dural venous sinus thrombosis, and to compare the findings with those of conventional catheter angiography.

METHODS: Cerebral MR venograms obtained in 100 persons with normal MR imaging studies were reviewed to determine the presence or absence of the dural sinuses and major intracranial veins.

RESULTS: Systematic review of the 100 cases revealed transverse sinus flow gaps in 31% of the cases, with 90% of these occurring in the nondominant transverse sinus and 10% in the codominant transverse sinuses. No flow gaps occurred in the dominant transverse sinuses. The superior sagittal and straight sinuses were seen in every venogram; the occipital sinus was seen in only 10%. The vein of Galen and internal cerebral veins were also seen in every case; the basal veins of Rosenthal were present in 91%.

CONCLUSIONS: Transverse sinus flow gaps can be observed in as many as 31% of patients with normal MR imaging findings; these gaps should not be mistaken for dural sinus thrombosis." />
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      <h1 class="highwire-cite-title" id="page-title">Cerebral MR Venography: Normal Anatomy and Potential Diagnostic Pitfalls</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">R. H. Ayanzen</span>, <span class="highwire-citation-author" data-delta="1">C. R. Bird</span>, <span class="highwire-citation-author" data-delta="2">P. J. Keller</span>, <span class="highwire-citation-author" data-delta="3">F. J. McCully</span>, <span class="highwire-citation-author" data-delta="4">M. R. Theobald</span> and <span class="highwire-citation-author" data-delta="5">J. E. Heiserman</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 2000,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">21 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(1) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">74-78; </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-2146--6603081876" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">R. H. Ayanzen </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ.</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=R.%2BH.%2BAyanzen%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=Ayanzen%20RH&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%3AR.%2BH.%2BAyanzen%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">C. R. Bird </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ.</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=C.%2BR.%2BBird%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=Bird%20CR&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%3AC.%2BR.%2BBird%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">P. J. Keller </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ.</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=P.%2BJ.%2BKeller%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=Keller%20PJ&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%3AP.%2BJ.%2BKeller%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">F. J. McCully </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ.</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=F.%2BJ.%2BMcCully%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=McCully%20FJ&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%3AF.%2BJ.%2BMcCully%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">M. R. Theobald </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ.</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.%2BR.%2BTheobald%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=Theobald%20MR&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.%2BR.%2BTheobald%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">J. 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Heiserman </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of MRI Research, Barrow Neurological Institute, Phoenix, AZ.</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=J.%2BE.%2BHeiserman%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=Heiserman%20JE&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%3AJ.%2BE.%2BHeiserman%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>

  
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        	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-volume highwire-cite-metadata">Vol. 21</span>, <span  class="highwire-cite-metadata-issue highwire-cite-metadata">Issue 1 </span><div  class="highwire-cite-metadata-pubdate highwire-cite-metadata">1 Jan 2000 </div></div>
      
      
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