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Arteriovenous malformation at pancreatobiliary region causing hemobilia after cholecystectomy

M Ishikawa1, M Tanaka, Y Ogawa

  • 1Department of Surgergy I, Kyushu University Faculty of Medicine, Fukuoka, Japan.

Gastroenterology
|November 1, 1993
PubMed

Pancreatic arteriovenous malformation is a rare condition that may cause gastrointestinal bleeding. A 66-year-old man with large arteriovenous malformation at the pancreatobiliary region is described. The patient had recurrent episodes of hemobilia after cholecystectomy performed for the treatment of cholelithiasis. Enlargement of the arteriovenous malformation was documented by angiography performed before and after the cholecystectomy. Bleeding from the biliary tract was successfully controlled by transarterial embolization. Cholecystectomy may have caused a hemodynamic change at the pancreatobiliary region, leading to the enlargement of the lesion and hemobilia.

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