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  • Title: Benign biliary stricture associated with atherosclerosis.
    Author: Saiura A, Umekita N, Inoue S, Maeshiro T, Miyamoto S, Matsui Y, Asakage M, Kawahara Y, Kitamura M.
    Journal: Hepatogastroenterology; 2001; 48(37):81-2. PubMed ID: 11269006.
    Abstract:
    We report a case of benign bile duct stricture that could not be differentiated from intrahepatic bile duct carcinoma preoperatively. The patient was a 79-year-old man. Computed tomography showed dilatation of the intrahepatic bile duct in the left lobe. Direct cholangiography showed segmental stricture of the left bile duct. Angiography showed narrowing of the left hepatic artery. Although bile cytology did not show malignant cells, we suspected intrahepatic bile duct carcinoma preoperatively. We performed extended left hepatic lobectomy. Histopathologic examination of the resected duct also showed no malignant cells; fibrosis with infiltration by lymphocytes was seen at the bile duct stricture. In addition, the resected liver specimen showed sclerotic change in the intrahepatic arteries. The postoperative course was uneventful for more than 26 months, without recurrence or cholangitis. We encountered a very rare case of benign segmental bile duct stricture, which was difficult to differentiate from bile duct carcinoma. We think the biliary stricture was secondary to atherosclerosis which may have caused bile duct ischemia.
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