title: Hepatocellular carcinoma involving the portal vein.
abstract: A case of hepatocellular carcinoma with invasion of the portal vein is reported. A tumor defect within the dilated portal vein is well demonstrated by computed tomography, and its appearance is compatible with the "thread and streaks" sign seen on hepatic angiography.
mesh_terms: D000792:Angiography; D006502:Budd-Chiari Syndrome / Q000000981:diagnostic imaging / Q000209:etiology; D006528:Carcinoma, Hepatocellular / Q000150:complications / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008113:Liver Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D011169:Portal Vein / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed