A CASE OF METASTASTIC LIVER TUMOR FROM COLON CANCER INFILTRATING AND EMBOLIZING THE BILIALY TRACT

A 61-year-old man was admitted to the hospital because of a hepatic tumor. He had a previous history of high anterior resection for sigmoid colon cancer 2 years earlier US and CT of the abdomen detected an irregular tumor between S5 and S6 segments of the liver. Intra-operative cholangiography revealed absence of the intrahepatic biliary tracts B5a and B5b. From the specimen, the tumor, 1.5 × 1.5 cm in size, infiltrated and embolized B5a and B5b. Histologically the tumor was determined to be a metastasis from Scolon cancer and had infiltrated the biliary tract in an exchange with mucous membrane. It has been reported that a metastatic tumor from colorectal cancer easily infiltrates Glisson's capsule. In cases in which a liver tumor is found near Glisson7s capsule, information about the biliary tract, such as pre-operative ERP or intra-operative cholangiography, is important.