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Gastric Carcinoid, Report of a Case M. Murakami 1 , M. Iida 1 , T. Fuchigami 1 , S. Ikeda 2 , A. Iwashita 3 , H. Murayama 4 1The Second Department of Internal Medicine, Faculty of Medicine, Kyushu University 2The First Department of Surgery, Faculty of Medicine, Kyushu University 3The Second Department of Pathology, Faculty of Medicine, Kyushu University 4The First Department of Pathology, School of Medicine, Fukuoka University pp.311-316
Published Date 1982/3/25
DOI https://doi.org/10.11477/mf.1403108802
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 A 66-year-old woman was found to have a polypoid lesion in the stomach at a mass screening of the upper G. I. tract and she was admitted to our hospital. Double contrast study of the stomach showed a small protruded mass with an irregular central depression and bridging folds in the mid-corpus. Endoscopically the broad-based polypoid tumor covered by normal mucosa was eroded and reddened on the top. Partial gastrectomy was performed under the diagnosis of gastric carcinoid by the endoscopic biopsy. The resected stomach revealed a polypoid tumor, 0.8×0.7 cm in diameters, with a central dimple in the mid-corpus. The cut surface showed a gray-white solid mass with well-defined boundaries located in the submucosa. Histologically the tumor was composed of small cells with uniform round nuclei and arranged largely in solid nests. Mitotic figures were rare. This carcinoid tumor did not give a positive argentaffin reaction, but an argyrophil. An electron microscopic appearance demonstrated numerous neurosecretory granules, measuring 150~300 nm in di-ameter, in the cytoplasms of the tumor cells. Plasma serotonin levels (54 ng/ml) and urinary 5-HIAA (1.77 mg/day, 2.04 mg/day) were within nomal limits.

 Twenty-three reported cases of gastric carcinoids in Japan with a full description of radiographic and endoscopic findings were reviewed and are discussed regarding their characteristic gross appearances.


Copyright © 1982, 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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