{"id":2501,"date":"2009-03-08T13:13:54","date_gmt":"2009-03-08T13:13:54","guid":{"rendered":"https:\/\/medicalcriteria.com\/web\/neuroct\/"},"modified":"2025-05-14T19:10:20","modified_gmt":"2025-05-14T19:10:20","slug":"neuroct","status":"publish","type":"post","link":"https:\/\/medicalcriteria.com\/web\/neuroct\/","title":{"rendered":"Diagnostic Criteria of Infarction in CT Imaging of the Brain in Acute Stroke"},"content":{"rendered":"<div class=\"99c380e4b4a7b96c35d7ddf7dcb434e8\" data-index=\"1\" style=\"float: none; margin:0px 0 0px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- MC 2019- Horizontal -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-0127150553352455\"\r\n     data-ad-slot=\"3806776041\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>Computed tomography (CT) is widely used for early evaluation of acute strokes. Most importantly, CT excludes acute hemorrhage or other diseases mimicking ischemia.<!--more--><\/p>\n<p><strong>Criteria<\/strong><\/p>\n<p class=\"MsoNormal\">Infarction: focal <span class=\"SpellE\">hypodense<\/span> area, in cortical, <span class=\"SpellE\">subcortical<\/span>, or deep gray or white matter, following vascular territory, or watershed distribution. Early subtle findings include obscuration of gray\/white matter contrast and effacement of <span class=\"SpellE\">sulci<\/span>, or &#8220;insular ribbon.&#8221;<\/p>\n<p class=\"MsoNormal\">Hemorrhage: <span class=\"SpellE\">hyperdense<\/span> image in white or deep gray matter, with or without involvement of cortical surface (40 to 90 HU). <span class=\"SpellE\">Petechial<\/span> refers to scattered <span class=\"SpellE\">hyperdense<\/span> points, coalescing to form irregularly <span class=\"SpellE\">hyperdense<\/span> areas with <span class=\"SpellE\">hypodense<\/span> interruptions. <span class=\"SpellE\">Hematoma<\/span> refers to a solid, homogeneously <span class=\"SpellE\">hyperdense<\/span> image.<\/p>\n<p class=\"MsoNormal\"><span class=\"SpellE\">Hyperdense<\/span> image in major intracranial artery: suggestive of vascular embolic material.<\/p>\n<p class=\"MsoNormal\">Calcification: <span class=\"SpellE\">hyperdense<\/span> image within or attached to vessel wall (&gt;120 HU).<\/p>\n<p class=\"MsoNormal\">Incidental: silent infarct, <span class=\"SpellE\">subdural<\/span> collection, tumor, giant aneurysm, <span class=\"SpellE\">arteriovenous<\/span> malformation.<\/p>\n<p class=\"MsoNormal\" style=\"margin-top: 0pt; margin-bottom: 0pt;\">.<\/p>\n<p><strong>References:<\/strong><\/p>\n<ol>\n<li>\n<p class=\"MsoNormal\"><span class=\"SpellE\">Culebras<\/span> A, <span class=\"SpellE\">Kase<\/span> CS, <span class=\"SpellE\">Masdeu<\/span> JC, Fox AJ, Bryan RN, Grossman CB, Lee DH, Adams HP, <span class=\"SpellE\">Thies<\/span> W. Practice guidelines for the use of imaging in transient ischemic attacks and acute stroke. <span class=\"GramE\">A report of the Stroke Council, American Heart Association.<\/span> <span class=\"GramE\">Stroke.<\/span> 1997 Jul<span class=\"GramE\">;28<\/span>(7):1480-97. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/9227705\/\" target=\"_blank\" rel=\"noopener noreferrer\">[Medline]<\/a><\/p>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>Created: Apr 19, 2005<\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Sorry, this entry is only available in Espa\u00f1ol.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[231,765,593,622,1532,16,15,874,14,13,500,350,349,1300,1533,868,867],"class_list":["post-2501","post","type-post","status-publish","format-standard","hentry","category-neurology","tag-acute","tag-acv","tag-agudo","tag-brain","tag-cerebro","tag-criteria","tag-criterios","tag-ct","tag-diagnostic","tag-diagnostico","tag-imaging","tag-infarction","tag-infarto","tag-neurology","tag-stroke","tag-tac","tag-tc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - 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