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Radiology, Vol 154, 737-741, Copyright © 1985 by Radiological Society of North America

ARTICLES

Portal thrombosis: dynamic CT features and course

D Mathieu, N Vasile and P Grenier

Portal thrombosis was diagnosed on computed tomography (CT) in 10 patients and confirmed by sonography. CT demonstrated decreased density of the portal vessels in 9 patients with peripheral arterial concentration of contrast material surrounding the intraluminal thrombus. In 1 patient, a fresh thrombus was seen as an increase in intraluminal density on the pre-contrast scan. The involved vessels were generally enlarged. Three patients had follow-up scans, which revealed a cavernoma in 2 and complete patency of the portal vein and its branches following anticoagulant therapy in 1. In the latter patient, localized abnormal intra-hepatic blood flow suggested infarction of portal origin as the result of clot migration.


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