Carcinoid Tumor in the Terminal Ileum with Lipohyperplasia of the Ileocecal Valve, Report of a Case Yoichi Ikeda 1 , Kenji Kawamoto 2 , Takashi Yao 3 , Takashi Utsunomiya 3 , Hideki Inoue 1 1Department of Surgery, Sawara Hospital 2Department of Radiology, Faculty of medicine, Kyushu University 3The Second Department of Pathology, Faculty of medicine, Kyushu University Keyword: 回腸末端部腫瘍 , カルチノイド pp.1147-1153
Published Date 1996/8/25
DOI https://doi.org/10.11477/mf.1403104284
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 A 56-year-old male presented himself at our hospital with a complaint of bloody stool. This was after a deformity in the ileocecal region had been detected by a barium study of the small intestine at another clinic. A barium enema study showed both an enlargement of the ileocecal valve and a tumor measuring 2.2 cm in diameter in the terminal ileum. Colonoscopy revealed an irregularly elevated lesion with a reddish surface, and biopsy specimens from the tumor indicated a carcinoid tumor. Histopathologically, the tumor was located in the submucosal layer, while it had also partly invaded the muscularis propria. In addition, metastasis was also observed in the regional lymph nodes. The tumor cells proliferated in a cribriform pattern. The enlargement of the ileocecal valve consisted of over-proliferative mature fatty tissue and was diagnosed to be lipohyperplasia.

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