A CASE OF DUODENAL CARCINOID TUMOR PRESENTING WITH TARRY STOOL

• Published in: Japanese Journal of National Medical Services Vol. 48; no. 2; pp. 136 - 139
• Main Authors: FURUKAWA, Masato, UCHINO, Hirofumi, NAKATA, Toshinori, SAKAI, Tsutomu, FURUI, Jun-ichiro, MINE, Yoshikazu, YAMADA, Masafumi, KONDO, Satoshi, JOHNO, Hidetoshi, ISA, Tsutomu, YASAKA, Takahiro, TAMAI, Osamu, NAKAHIRA, Takaaki, FUJII, Hideharu
• Format: Journal Article
• Language: Japanese
• Published: Japanese Society of National Medical Services 1994
• Subjects: duodenal carcinoid; tarry stool
• ISSN: 0021-1699; 1884-8729
• DOI: 10.11261/iryo1946.48.136

A case of duodenal carcinoid tumor presenting with tarry stool was experienced. A 49-year-old man was admitted to the hosipital because of tarry stool. Upper gastrointes-tinal X-ray examination showed filling defect and upper gastrointestinal endoscopy showed a submucosal type tumor with central ulceration adjacent to papilla. By biopsy at that time an adenocarcinoma was suspected, and pancreatoduodenectomy was performed under a diagnosis of duodenal carcinoma. In the resected specimen, there is about 2.5×2×1.5cm mass in the duodenal submucosa just adjacent to papilla Vater with a shallow tiny ulcer on the tip. Microscopically, tumor cells showed round nuclei with scant cytoplasm, and invaed to the muscle layer in ribbon like fashion. Althogh Gri-melius staining were negative, NSE and Chromogranin stainings were positive. Electron microspically, there were a few small dense core granle in the cytoplasm, then the tumor was diagnosed as carcinoid.