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<meta name="DC.Title" content="BLADE in Sagittal T2-Weighted MR Imaging of the Cervical Spine" />
<meta name="DC.Identifier" content="10.3174/ajnr.A1894" />
<meta name="DC.Date" content="2010-04-01" />
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<meta name="DC.Rights" content="Copyright © American Society of Neuroradiology" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: Image quality and diagnostic reliability of T2-weighted MR images of the cervical spine are often impaired by several kinds of artifacts, even in cooperative patients. The aim of this study was to evaluate if BLADE sequences might solve these problems in a routine patient collective.

MATERIALS AND METHODS: TSE and BLADE sequences were compared in 60 patients for T2-weighted sagittal imaging of the cervical spine. Image sharpness, motion artifacts, truncation artifacts, metal artifacts, CSF flow phenomena, contrast of anatomic structures (vertebral body/disk, spinal cord/CSF), and diagnostic reliability of spinal cord depiction were evaluated by 2 independent readers. Another 2 readers selected the sequence they would prefer for diagnostic purposes. Statistical evaluations were performed by using the Wilcoxon and the χ2 test; differences with P &lt; .05 were regarded as statistically significant.

RESULTS: BLADE was significantly superior to TSE regarding image sharpness, image contrast, diagnostic reliability of spinal cord depiction, motion artifacts, CSF flow phenomena, and truncation artifacts; for metal artifacts no significant improvements were found. In 50 of 60 patients, BLADE was preferred for diagnostic purposes, and TSE was favored in 3 patients. The number of examinations that were nondiagnostic due to impaired spinal cord depiction was reduced from 12 in TSE to 3 in BLADE, and nondiagnostic examinations due to overall motion artifacts were reduced from 2 to 1.

CONCLUSIONS: Using the BLADE sequence for sagittal T2-weighted imaging of the cervical spine proved to be advantageous to reduce various kinds of artifacts.

CNR
:   contrast-to-noise ratio
DWI
:   diffusion-weighted imaging
PROPELLER
:   periodically rotated overlapping parallel lines with enhanced reconstruction
ROI
:   region of interest
SNR
:   signal intensity-to-noise ratio
TSE
:   turbo spin-echo" />
<meta name="DC.Contributor" content="C. Fellner" />
<meta name="DC.Contributor" content="C. Menzel" />
<meta name="DC.Contributor" content="F.A. Fellner" />
<meta name="DC.Contributor" content="C. Ginthoer" />
<meta name="DC.Contributor" content="N. Zorger" />
<meta name="DC.Contributor" content="A. Schreyer" />
<meta name="DC.Contributor" content="E.M. Jung" />
<meta name="DC.Contributor" content="S. Feuerbach" />
<meta name="DC.Contributor" content="T. Finkenzeller" />
<meta name="article:published_time" content="2010-04-01" />
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<meta name="citation_title" content="BLADE in Sagittal T2-Weighted MR Imaging of the Cervical Spine" />
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&lt;p&gt;Image quality and diagnostic reliability of T2-weighted MR images of the cervical spine are often impaired by several kinds of artifacts, even in cooperative patients. The aim of this study was to evaluate if BLADE sequences might solve these problems in a routine patient collective.&lt;/p&gt;&lt;h3&gt;MATERIALS AND METHODS:&lt;/h3&gt;
&lt;p&gt;TSE and BLADE sequences were compared in 60 patients for T2-weighted sagittal imaging of the cervical spine. Image sharpness, motion artifacts, truncation artifacts, metal artifacts, CSF flow phenomena, contrast of anatomic structures (vertebral body/disk, spinal cord/CSF), and diagnostic reliability of spinal cord depiction were evaluated by 2 independent readers. Another 2 readers selected the sequence they would prefer for diagnostic purposes. Statistical evaluations were performed by using the Wilcoxon and the χ&lt;sup&gt;2&lt;/sup&gt; test; differences with &lt;i&gt;P&lt;/i&gt; &amp;lt; .05 were regarded as statistically significant.&lt;/p&gt;&lt;h3&gt;RESULTS:&lt;/h3&gt;
&lt;p&gt;BLADE was significantly superior to TSE regarding image sharpness, image contrast, diagnostic reliability of spinal cord depiction, motion artifacts, CSF flow phenomena, and truncation artifacts; for metal artifacts no significant improvements were found. In 50 of 60 patients, BLADE was preferred for diagnostic purposes, and TSE was favored in 3 patients. The number of examinations that were nondiagnostic due to impaired spinal cord depiction was reduced from 12 in TSE to 3 in BLADE, and nondiagnostic examinations due to overall motion artifacts were reduced from 2 to 1.&lt;/p&gt;&lt;h3&gt;CONCLUSIONS:&lt;/h3&gt;
&lt;p&gt;Using the BLADE sequence for sagittal T2-weighted imaging of the cervical spine proved to be advantageous to reduce various kinds of artifacts.&lt;/p&gt;" />
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<meta name="twitter:title" content="BLADE in Sagittal T2-Weighted MR Imaging of the Cervical Spine" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: Image quality and diagnostic reliability of T2-weighted MR images of the cervical spine are often impaired by several kinds of artifacts, even in cooperative patients. The aim of this study was to evaluate if BLADE sequences might solve these problems in a routine patient collective.

MATERIALS AND METHODS: TSE and BLADE sequences were compared in 60 patients for T2-weighted sagittal imaging of the cervical spine. Image sharpness, motion artifacts, truncation artifacts, metal artifacts, CSF flow phenomena, contrast of anatomic structures (vertebral body/disk, spinal cord/CSF), and diagnostic reliability of spinal cord depiction were evaluated by 2 independent readers. Another 2 readers selected the sequence they would prefer for diagnostic purposes. Statistical evaluations were performed by using the Wilcoxon and the χ2 test; differences with P &lt; .05 were regarded as statistically significant.

RESULTS: BLADE was significantly superior to TSE regarding image sharpness, image contrast, diagnostic reliability of spinal cord depiction, motion artifacts, CSF flow phenomena, and truncation artifacts; for metal artifacts no significant improvements were found. In 50 of 60 patients, BLADE was preferred for diagnostic purposes, and TSE was favored in 3 patients. The number of examinations that were nondiagnostic due to impaired spinal cord depiction was reduced from 12 in TSE to 3 in BLADE, and nondiagnostic examinations due to overall motion artifacts were reduced from 2 to 1.

CONCLUSIONS: Using the BLADE sequence for sagittal T2-weighted imaging of the cervical spine proved to be advantageous to reduce various kinds of artifacts.

CNR
:   contrast-to-noise ratio
DWI
:   diffusion-weighted imaging
PROPELLER
:   periodically rotated overlapping parallel lines with enhanced reconstruction
ROI
:   region of interest
SNR
:   signal intensity-to-noise ratio
TSE
:   turbo spin-echo" />
<meta name="og-title" property="og:title" content="BLADE in Sagittal T2-Weighted MR Imaging of the Cervical Spine" />
<meta name="og-url" property="og:url" content="http://ajnr-stage2.stage.highwire.org/content/31/4/674" />
<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: Image quality and diagnostic reliability of T2-weighted MR images of the cervical spine are often impaired by several kinds of artifacts, even in cooperative patients. The aim of this study was to evaluate if BLADE sequences might solve these problems in a routine patient collective.

MATERIALS AND METHODS: TSE and BLADE sequences were compared in 60 patients for T2-weighted sagittal imaging of the cervical spine. Image sharpness, motion artifacts, truncation artifacts, metal artifacts, CSF flow phenomena, contrast of anatomic structures (vertebral body/disk, spinal cord/CSF), and diagnostic reliability of spinal cord depiction were evaluated by 2 independent readers. Another 2 readers selected the sequence they would prefer for diagnostic purposes. Statistical evaluations were performed by using the Wilcoxon and the χ2 test; differences with P &lt; .05 were regarded as statistically significant.

RESULTS: BLADE was significantly superior to TSE regarding image sharpness, image contrast, diagnostic reliability of spinal cord depiction, motion artifacts, CSF flow phenomena, and truncation artifacts; for metal artifacts no significant improvements were found. In 50 of 60 patients, BLADE was preferred for diagnostic purposes, and TSE was favored in 3 patients. The number of examinations that were nondiagnostic due to impaired spinal cord depiction was reduced from 12 in TSE to 3 in BLADE, and nondiagnostic examinations due to overall motion artifacts were reduced from 2 to 1.

CONCLUSIONS: Using the BLADE sequence for sagittal T2-weighted imaging of the cervical spine proved to be advantageous to reduce various kinds of artifacts.

CNR
:   contrast-to-noise ratio
DWI
:   diffusion-weighted imaging
PROPELLER
:   periodically rotated overlapping parallel lines with enhanced reconstruction
ROI
:   region of interest
SNR
:   signal intensity-to-noise ratio
TSE
:   turbo spin-echo" />
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      <h1 class="highwire-cite-title" id="page-title">BLADE in Sagittal T2-Weighted MR Imaging of the Cervical Spine</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">C. Fellner</span>, <span class="highwire-citation-author" data-delta="1">C. Menzel</span>, <span class="highwire-citation-author" data-delta="2">F.A. Fellner</span>, <span class="highwire-citation-author" data-delta="3">C. Ginthoer</span>, <span class="highwire-citation-author" data-delta="4">N. Zorger</span>, <span class="highwire-citation-author" data-delta="5">A. Schreyer</span>, <span class="highwire-citation-author" data-delta="6">E.M. Jung</span>, <span class="highwire-citation-author" data-delta="7">S. Feuerbach</span> and <span class="highwire-citation-author" data-delta="8">T. Finkenzeller</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">April 2010,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">31 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(4) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">674-681; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A1894 </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-9623--61920491178" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">C. Fellner </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.%2BFellner%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=Fellner%20C&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.%2BFellner%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. 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<p id="p-1"><strong>BACKGROUND AND PURPOSE:</strong> Image quality and diagnostic reliability of T2-weighted MR images of the cervical spine are often impaired by several kinds of artifacts, even in cooperative patients. The aim of this study was to evaluate if BLADE sequences might solve these problems in a routine patient collective.</p>
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<p id="p-2"><strong>MATERIALS AND METHODS:</strong> TSE and BLADE sequences were compared in 60 patients for T2-weighted sagittal imaging of the cervical spine. Image sharpness, motion artifacts, truncation artifacts, metal artifacts, CSF flow phenomena, contrast of anatomic structures (vertebral body/disk, spinal cord/CSF), and diagnostic reliability of spinal cord depiction were evaluated by 2 independent readers. Another 2 readers selected the sequence they would prefer for diagnostic purposes. Statistical evaluations were performed by using the Wilcoxon and the χ<sup>2</sup> test; differences with <em>P</em> &lt; .05 were regarded as statistically significant.</p>
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<p id="p-3"><strong>RESULTS:</strong> BLADE was significantly superior to TSE regarding image sharpness, image contrast, diagnostic reliability of spinal cord depiction, motion artifacts, CSF flow phenomena, and truncation artifacts; for metal artifacts no significant improvements were found. In 50 of 60 patients, BLADE was preferred for diagnostic purposes, and TSE was favored in 3 patients. The number of examinations that were nondiagnostic due to impaired spinal cord depiction was reduced from 12 in TSE to 3 in BLADE, and nondiagnostic examinations due to overall motion artifacts were reduced from 2 to 1.</p>
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<p id="p-4"><strong>CONCLUSIONS:</strong> Using the BLADE sequence for sagittal T2-weighted imaging of the cervical spine proved to be advantageous to reduce various kinds of artifacts.</p>
</div></div><div class="section glossary" id="glossary-1"><h2>Abbreviations</h2><dl id="def-list-1"><dt id="def-item-1">CNR<span class="def-item-dt-sep"></span></dt><dd>contrast-to-noise ratio<span class="def-item-dd-sep"></span></dd><dt id="def-item-2">DWI<span class="def-item-dt-sep"></span></dt><dd>diffusion-weighted imaging<span class="def-item-dd-sep"></span></dd><dt id="def-item-3">PROPELLER<span class="def-item-dt-sep"></span></dt><dd>periodically rotated overlapping parallel lines with enhanced reconstruction<span class="def-item-dd-sep"></span></dd><dt id="def-item-4">ROI<span class="def-item-dt-sep"></span></dt><dd>region of interest<span class="def-item-dd-sep"></span></dd><dt id="def-item-5">SNR<span class="def-item-dt-sep"></span></dt><dd>signal intensity-to-noise ratio<span class="def-item-dd-sep"></span></dd><dt id="def-item-6">TSE<span class="def-item-dt-sep"></span></dt><dd>turbo spin-echo</dd></dl></div><ul class="copyright-statement"><li class="fn" id="copyright-statement-1">Copyright © American Society of Neuroradiology</li></ul><span class="highwire-journal-article-marker-end"></span></div><span class="related-urls"></span></div><a href="http://ajnr-stage2.stage.highwire.org/content/31/4/674.full" class="hw-link hw-link-article-full-text" data-icon-position="" data-hide-link-title="0">View Full Text</a></div>  </div>

  
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    	<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">Apr 2010, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">31 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(4) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">674-681; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata"><span class="label">DOI:</span> 10.3174/ajnr.A1894 </span></div>
  
  
  
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