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Biliary Cystadenocarcinoma Associated with Atrophy of the Left Hepatic Lobe and Hepatolithiasis Mimicking Intrahepatic Cholangiocarcinoma: A Case Report

膽管囊腺癌合併肝左葉萎縮及肝內膽管結石擬似肝內膽管癌表現-病例報告

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摘要


膽管囊腺癌是一種由膽管長出來且好發於中年女性的罕見腫瘤,它的特徵是一個分泌黏液的多房性的囊狀腫瘤。影像學上,它與肝內實質腫瘤如肝瘤、膽管癌等並不難區分,但必須和其他肝內囊狀腫瘤如肝囊泡合併感染或出血、肝膿瘍、壞死性轉移癌及包蟲囊腫做鑑別診斷。本文報導一影像學上擬似肝內膽管癌表現之膽管囊腺癌病例,並對此罕見病例及其不尋常之表現作文獻之回顧。

並列摘要


Biliary cystadenocarcinoma and its benign counterpart, biliary cystadenoma, are rare hepatic cystic tumors arising from the hepatobiliary epithelium. We report the case of a 68-year-old Taiwanese woman who presented initially with acute cholangitis. A series of imaging studies including abdominal ultrasound, computerized tomography, endoscopic retrograde cholangiopancreatography, and percutaneous transhepatic cholangiography showed bilateral intrahepatic duct (IHD) and common bile duct (CBD) stones with IHD and CBD dilatation, and an ill-defined tumor within the atrophied left hepatic lobe. The patient underwent surgical resection of the tumor and choledocholithotomy. The pathologic diagnosis was biliary cystadenocarcinoma. We review this rare disease entity and discuss its unusual radiologic features mimicking intrahepatic cholangiocarcinoma.

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