{"id":1545,"date":"2025-02-27T17:30:00","date_gmt":"2025-02-27T17:30:00","guid":{"rendered":"https:\/\/radever.com\/blog\/?post_type=neuroradiology&#038;p=1545"},"modified":"2025-02-27T17:30:00","modified_gmt":"2025-02-27T17:30:00","slug":"dorsal-arachnoid-web","status":"publish","type":"neuroradiology","link":"https:\/\/radever.com\/blog\/neuroradiology\/dorsal-arachnoid-web\/","title":{"rendered":"Dorsal Arachnoid Web"},"content":{"rendered":"<p>There is focal widening of the posterior thecal sac at D4 level, displacing the cord anteriorly causing marked focal cord compression. The widened posterior thecal sac at this level demonstrates scalpel sign &#8211; suggestive <em>of <\/em><strong><em>dorsal thoracic<\/em><\/strong> <strong><em>arachnoid web<\/em><\/strong> . No evidence of abnormal cord signal.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There is focal widening of the posterior thecal sac at D4 level, displacing the cord anteriorly causing marked focal cord compression. The widened posterior thecal sac at this level demonstrates scalpel sign &#8211; suggestive of dorsal thoracic arachnoid web . No evidence of abnormal cord signal.<\/p>\n","protected":false},"author":1,"featured_media":1546,"parent":0,"menu_order":0,"template":"","format":"standard","meta":{"_acf_changed":false},"categories":[],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dorsal Arachnoid Web - Radever Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/radever.com\/blog\/neuroradiology\/dorsal-arachnoid-web\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dorsal Arachnoid Web - Radever Blog\" \/>\n<meta property=\"og:description\" content=\"There is focal widening of the posterior thecal sac at D4 level, displacing the cord anteriorly causing marked focal cord compression. 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