A Case of Hepatic Carcinosarcoma with Bile Duct Tumor Thrombi
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A 67-year-old man referred for jaundice was found in computed tomography to have an enhanced bandshaped tumor in segment 5 and bile duct tumor thrombi causing dilation of intrahepatic bile ducts. Percutaneous transhepatic cholangial drainage tube cholangiography showed tumor thrombi extending from the anterior segment branch into the left hepatic duct and the common bile duct. Brushing cytology of the bile duct suggested adenocarcinoma, while histological diagnosis of the tumor thrombus biopsy was sarcoma. Based on a preoperative diagnosis of intrahepatic cholangiocarcinoma or hepatic sarcoma, we conducted central bisegmentectomy with biliary reconstruction. Histopathological findings showed a combined structure of welldifferentiated adenocarcinoma with clear cytoplasm and spindle-cell sarcoma with poorly formed cytoplasm. Sarcomatous components included chondrosarcoma and osteosarcoma, leading to the final diagnosis of hepatic carcinosarcoma. The man remains alive without recurrence 16 months postoperatively. Hepatic carcinosarcoma is rare, and this is, to our knowledge, the first case report of hepatic carcinosarcoma with bile duct tumor thrombi.
- 一般社団法人 日本消化器外科学会の論文
一般社団法人 日本消化器外科学会 | 論文
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