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<meta name="DC.Description" content="Ninety-eight brain contusions in 17 patients served as a data base for a comparative study of MR and CT for defining brain contusions. MR was the more sensitive technique, detecting 98% of the brain contusions compared with only 56% by CT. CT was slightly better for showing hemorrhagic components, documenting 77% of hemorrhages compared with 71% for MR. The appearance of the contusions on MR was variable, depending on the T1- and T2-weighting of the images and the constituents of the contusions, such as edema, hemorrhage, and encephalomalacia. On MR, hemorrhagic components appeared as high signal on T1-weighted images and as either low or high signal on T2-weighted images, depending on the age of the hemorrhage. The approximate ages of hemorrhagic contusions were often suggested by their appearance on T1- and T2-weighted images.

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      <h1 class="highwire-cite-title" id="page-title">MR Imaging of Brain Contusions: A Comparative Study with CT</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">John R. Hesselink</span>, <span class="highwire-citation-author" data-delta="1">Christopher F. Dowd</span>, <span class="highwire-citation-author" data-delta="2">Mark E. Healy</span>, <span class="highwire-citation-author" data-delta="3">Paul Hajek</span>, <span class="highwire-citation-author" data-delta="4">Lori L. Baker</span> and <span class="highwire-citation-author" data-delta="5">Thomas G. Luerssen</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">March 1988,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">9 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(2) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">269-278; </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-13110--61353559972" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">John R. Hesselink </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>1</span>Department of Radiology, University of California School of Medicine, and Magnetic Resonance Institute, San Diego, CA 92103. Address reprint requests to J. R. 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Dowd </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>1</span>Department of Radiology, University of California School of Medicine, and Magnetic Resonance Institute, San Diego, CA 92103. Address reprint requests to J. R. 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Address reprint requests to J. R. Hesselink, UCSD Medical Center, 225 Dickinson St., San Diego, CA 92103</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=Paul%2BHajek%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=Hajek%20P&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%3APaul%2BHajek%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">Lori L. 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<p id="p-4">Ninety-eight brain contusions in 17 patients served as a data base for a comparative study of MR and CT for defining brain contusions. MR was the more sensitive technique, detecting 98% of the brain contusions compared with only 56% by CT. CT was slightly better for showing hemorrhagic components, documenting 77% of hemorrhages compared with 71% for MR. The appearance of the contusions on MR was variable, depending on the T1- and T2-weighting of the images and the constituents of the contusions, such as edema, hemorrhage, and encephalomalacia. On MR, hemorrhagic components appeared as high signal on T1-weighted images and as either low or high signal on T2-weighted images, depending on the age of the hemorrhage. The approximate ages of hemorrhagic contusions were often suggested by their appearance on T1- and T2-weighted images.</p>
<p id="p-5">CT is very effective for evaluating acute head trauma, but MR is recommended for documenting brain contusions during the subacute and chronic stages of head injuries.</p>
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        	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-volume highwire-cite-metadata">Vol. 9</span>, <span  class="highwire-cite-metadata-issue highwire-cite-metadata">Issue 2 </span><div  class="highwire-cite-metadata-pubdate highwire-cite-metadata">1 Mar 1988 </div></div>
      
      
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      <div class="highwire-cite-title">MR Imaging of Brain Contusions: A Comparative Study with CT</div>  
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