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Granular Cell Tumor of the Colon, Report of a Case Yoshiyuki Itoh 1 , Seiji Shimizu 1 , Masahiro Tada 1 1The Second Department of Internal Medicine, Kyoto First Red Cross Hospital Keyword: 顆粒細胞腫 , 超音波内視鏡検査 , 内視鏡的ポリペクトミー pp.597-600
Published Date 1993/5/25
DOI https://doi.org/10.11477/mf.1403106176
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 A case with granular cell tumor of the sigmoid colon was reported. A 71-year-old female patient visited our hospital complaining of bowel movement disturbance. Barium enama x-ray and colonoscopy dsclosed a broad-based tumor sized 8 mm in diameter in the sigmoid colon. The tumor was protruded in the center, presenting a breast-like appearance. Endoscopic ultrasonography revealed a uniformly low-echoic mass in the third layer; however, the differentiation with carcinoid or leiomyoma was considered difficult. Endoscopic polypectomy was performed; the retrieved tumor was 8×8 mm in dimensions. Histology with H・E staining revealed the presence of eosinophilic granules in the cytoplasm of the tumor cells, and immunohistochemistry for S-100 protein was positive. So the diagnosis of granular cell tumor was made.


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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