A Case of Cholangiocarcinoma that Metastasized to an Inguinal Hernial Sac

Dai Shida, Fuyo Yoshimi, Yukiyo Ogata, Yuji Asato, Jirou Shimazaki^* and Masao Hori^*

Departments of Surgery and Pathology^*, Ibaraki Prefectural Central Hospital and Cancer Center

While inguinal hernia is one of the most common diseases, and neoplasms of any organs are seen with great frequency, combinations of the two, i.e., hernial tumors are rare. A case of cholangiocarcinoma with metastasis to an inguinal hernial sac is reported. A 72-year-old Japanese man was admitted with a left inguinal hernia of 3 years' duration. His health was otherwise generally good. Herniorrhaphy was performed, and the redundant hernial sac was excised. The gross hernial sac specimen contained two tiny, white nodule-like thickened areas, and histological examination revealed an unexpected adenocarcinoma. After further examination, a diagnosis of cholangiocarcinoma with peritonitis carcinomatosa was made. Tumors of saccular type herniae are rare, and according to the results of a search of the English and Japanese literature, this is the first report of a case of cholangiocarcinoma that metastasized to an inguinal hernial sac.

Key words
inguinal hernia, hernial sac tumor, cholangiocarcinoma with peritonitis carcinomatosa

Reprint requests
Dai Shida Department of Gastroenterological Surgery, University of Tokyo 3-28-6 Mejirodai, Bunkyo-ku, Tokyo, 112-8688 JAPAN

Accepted
September 20, 2000

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