術前診断に苦慮した直腸癌併存肝膿ようの1例

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  • A CASE REPORT OF RECTAL CANCER WITH LIVER ABSCESS DIAGNOSED WITH DIFFICULTIES BEFORE SURGERY

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We experienced a case of liver abscess, which was difficult to be differentiated from malignant liver tumor before surgery.<br> A 73-year-old woman complaining of poor appetite, who had a history of surgery for a giant liver cyst, was introduced to the hospital because of a large liver mass. When she was admitted, her general condition was good with normal body temperature, and she had no abdominal symptoms. CT and magnetic resonance imaging scans revealed a polycystic liver mass with a thickened wall and septum enhanced. Angiography revealed tumor staining, encasement of the right hepatic artery and artery-portal vein shunt. Colonoscopy and barium enema examination disclosed rectal cancer. The liver mass was suspected to be malignant tumor, liver cystadenocarcinoma, metastatic tumor, or hepatocellular carcinoma. A low anterior resection of the rectum and a right anterior segmentectomy of the liver were performed. Histopathological examination showed no malignant cells in the liver mass and Klebsiella. pneumoniae was cultured from the pus. The definite diagnosis of liver abscess was made.

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