A Case of Primary Carcinoma of the Cystic Duct

Motoki Hiroyoshi, Yutaka Nagata, Kazunori Ogino, Keizou Kikkawa, Hitoshi Moritomo, Tetsushi Kitagawa, Hiroshi Ogawa^*, Hideaki Yamamoto^* and Hajime Watahiki^**

Department of Surgery, Pathology^* and Gastroenterology^**, Seirei Mikatahara Hospital

A 56-year-old man was admitted to our hospital because of epigastric pain. Percutaneous transhepatic cholangiography showed a narrowing of the choledochus, and peroral transpapillary cholangioscopy demonstrated an irregular lesion at the entry site of the cystic duct. Cholecystectomy and resection of the bile duct were performed with cleaning of the regional lymph nodes. Tumor measuring 15 mm was found in the cystic duct. Microscopic examination demonstrated moderately differentiated tubular adenocarcinoma without metastasis to the regional lymph nodes. The depth of tumor invasion was limited to the subserosal layer. Out of fifty-seven cases in the Japanese literature, including the present case, only seventeen cases were diagnosed as primary carcinoma of the cystic duct preoperatively.

Key words
primary carcinoma of the cystic duct

Reprint requests
Motoki Hiroyoshi Department of Surgery, Seirei Mikatahara Hospital 3453 Mikatahara-cho, Hamamatsu, 433-8558 JAPAN

Accepted
September 22, 1999

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