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  • Title: [Diagnosis of intramural bile duct varicose veins ("pseudo-cholangiocarcinoma sign"].
    Author: Strunk H, Textor J, Remig J.
    Journal: Ultraschall Med; 2001 Apr; 22(2):96-9. PubMed ID: 11398508.
    Abstract:
    We report the case of a patient with portal hypertension and portal vein thrombosis who was admitted to hospital for evaluation prior to a scheduled portosystemic shunt operation. Ultrasound examination revealed dilatation of intrahepatic bile ducts and echogenic thickening of the walls of both right and left main bile ducts as well as the common bile duct, highly suspicious of a carcinoma. Further evaluation, however, showed a varicosis of the bile duct walls to be the cause of the thickening of the walls, the varicosis resulting from the long-standing cavernous transformation of the portal vein and the portal hypertension. This tumour-like thickening of the walls, caused by numerous tiny varicose veins, is also known as "Pseudo-cholangiocarcinoma sign" in the Anglo-American world.
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