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<meta name="DC.Title" content="MR of slow CSF flow in the spine." />
<meta name="DC.Date" content="1992-09-01" />
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<meta name="DC.Description" content="PURPOSE To evaluate a slow-flow MR sequence in normal CSF flow and in CSF flow disturbance in cases of spinal stenosis.

METHOD The method was tested for flow sensitivity and applied to 67 sites of spinal canal compromise.

RESULTS Phantom studies show that flow can be depicted at a velocity of 0.5-1 mm/sec. On clinical images, stagnant CSF is black, flowing CSF is bright. Typically, in high-grade (90%-100%) stenosis, CSF above and below the site of spinal canal compromise (SCC) is black. With intermediate stenosis (50%-89%), CSF above the SCC remains white but becomes black distal to the SCC. Low-grade stenosis shows only localized flow disturbances.

CONCLUSION This easy-to-use sequence can solidify the MR diagnosis of high-grade stenosis when a distinct flow pattern is recognized. Flow patterns for intermediate and low-grade stenosis are less reliable." />
<meta name="DC.Contributor" content="D Schellinger" />
<meta name="DC.Contributor" content="D LeBihan" />
<meta name="DC.Contributor" content="S S Rajan" />
<meta name="DC.Contributor" content="C A Cammarata" />
<meta name="DC.Contributor" content="N J Patronas" />
<meta name="DC.Contributor" content="J P Deveikis" />
<meta name="DC.Contributor" content="L M Levy" />
<meta name="article:published_time" content="1992-09-01" />
<meta name="citation_title" content="MR of slow CSF flow in the spine." />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;PURPOSE&lt;/h3&gt;
&lt;p&gt;To evaluate a slow-flow MR sequence in normal CSF flow and in CSF flow disturbance in cases of spinal stenosis.&lt;/p&gt;&lt;h3&gt;METHOD&lt;/h3&gt;
&lt;p&gt;The method was tested for flow sensitivity and applied to 67 sites of spinal canal compromise.&lt;/p&gt;&lt;h3&gt;RESULTS&lt;/h3&gt;
&lt;p&gt;Phantom studies show that flow can be depicted at a velocity of 0.5-1 mm/sec. On clinical images, stagnant CSF is black, flowing CSF is bright. Typically, in high-grade (90%-100%) stenosis, CSF above and below the site of spinal canal compromise (SCC) is black. With intermediate stenosis (50%-89%), CSF above the SCC remains white but becomes black distal to the SCC. Low-grade stenosis shows only localized flow disturbances.&lt;/p&gt;&lt;h3&gt;CONCLUSION&lt;/h3&gt;
&lt;p&gt;This easy-to-use sequence can solidify the MR diagnosis of high-grade stenosis when a distinct flow pattern is recognized. Flow patterns for intermediate and low-grade stenosis are less reliable.&lt;/p&gt;" />
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<meta name="citation_author" content="D Schellinger" />
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<meta name="citation_author" content="D LeBihan" />
<meta name="citation_author_institution" content="Department of Radiology, Georgetown University Medical Center, Washington, DC 20007." />
<meta name="citation_author" content="S S Rajan" />
<meta name="citation_author_institution" content="Department of Radiology, Georgetown University Medical Center, Washington, DC 20007." />
<meta name="citation_author" content="C A Cammarata" />
<meta name="citation_author_institution" content="Department of Radiology, Georgetown University Medical Center, Washington, DC 20007." />
<meta name="citation_author" content="N J Patronas" />
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<meta name="citation_author" content="J P Deveikis" />
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<meta name="citation_author" content="L M Levy" />
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<meta name="twitter:title" content="MR of slow CSF flow in the spine." />
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<meta name="twitter:description" content="PURPOSE To evaluate a slow-flow MR sequence in normal CSF flow and in CSF flow disturbance in cases of spinal stenosis.

METHOD The method was tested for flow sensitivity and applied to 67 sites of spinal canal compromise.

RESULTS Phantom studies show that flow can be depicted at a velocity of 0.5-1 mm/sec. On clinical images, stagnant CSF is black, flowing CSF is bright. Typically, in high-grade (90%-100%) stenosis, CSF above and below the site of spinal canal compromise (SCC) is black. With intermediate stenosis (50%-89%), CSF above the SCC remains white but becomes black distal to the SCC. Low-grade stenosis shows only localized flow disturbances.

CONCLUSION This easy-to-use sequence can solidify the MR diagnosis of high-grade stenosis when a distinct flow pattern is recognized. Flow patterns for intermediate and low-grade stenosis are less reliable." />
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<meta name="og-description" property="og:description" content="PURPOSE To evaluate a slow-flow MR sequence in normal CSF flow and in CSF flow disturbance in cases of spinal stenosis.

METHOD The method was tested for flow sensitivity and applied to 67 sites of spinal canal compromise.

RESULTS Phantom studies show that flow can be depicted at a velocity of 0.5-1 mm/sec. On clinical images, stagnant CSF is black, flowing CSF is bright. Typically, in high-grade (90%-100%) stenosis, CSF above and below the site of spinal canal compromise (SCC) is black. With intermediate stenosis (50%-89%), CSF above the SCC remains white but becomes black distal to the SCC. Low-grade stenosis shows only localized flow disturbances.

CONCLUSION This easy-to-use sequence can solidify the MR diagnosis of high-grade stenosis when a distinct flow pattern is recognized. Flow patterns for intermediate and low-grade stenosis are less reliable." />
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      <div class="highwire-cite-overline"><span  class="highwire-cite-metadata-article-type highwire-cite-metadata">Abstract</span></div>
  
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      <h1 class="highwire-cite-title" id="page-title">MR of slow CSF flow in the spine.</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">D Schellinger</span>, <span class="highwire-citation-author" data-delta="1">D LeBihan</span>, <span class="highwire-citation-author" data-delta="2">S S Rajan</span>, <span class="highwire-citation-author" data-delta="3">C A Cammarata</span>, <span class="highwire-citation-author" data-delta="4">N J Patronas</span>, <span class="highwire-citation-author" data-delta="5">J P Deveikis</span> and <span class="highwire-citation-author" data-delta="6">L M Levy</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">September 1992,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">13 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(5) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1393-1403; </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-5495--81528793657" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">D Schellinger </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>Department of Radiology, Georgetown University Medical Center, Washington, DC 20007.</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%2BSchellinger%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=Schellinger%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 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        	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-volume highwire-cite-metadata">Vol. 13</span>, <span  class="highwire-cite-metadata-issue highwire-cite-metadata">Issue 5 </span><div  class="highwire-cite-metadata-pubdate highwire-cite-metadata">1 Sep 1992 </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">Sep 1992, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">13 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(5) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1393-1403; </span></div>
  
  
  
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