Abstract
A 73-year-old woman was referred to the hospital for cose examination and treatment because gastric endoscopy revealed an extramurally oppressed finding on the stomach. After admission ultrasonography revealed a giant liver tumor with the maximum diameter of 12.4cm in the lateral segment of the liver. The liver tumor was visualized as low-dencity area. Magnetic resonance imagings (MRI) revealed the tumor as low-echogenic lesion on T1 enhanced or as high-echogenic lesion on T2 enhanced. On endoscopic retrograde cholangio-pancreatography (ERCP), a swelling of the papilla vater and leakage of mucus were confirmed. Biopsy of the papilla Vater indicated that degeneration of the collected tissue is cancerous. With a diagnosis of intrahepatic cholangiocarcinoma and papillocarcinoma, a left lobectomy of the liver and pancreatoduodenectomy were carieed out. Histopathologically no cancer cell was detected in the pancreatic head, but the liver tumor was mucinous carcinoma of the intrahepatic bile duct. Mucinous carcinoma of the intrahepatic bile duct is a rare entiry and few reports have been seen in the Japanes literature. So this case is presented, together with a review of the literature.
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