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Clinical Diagnosis of Undifferentiated-type Small Gastric Cancers Tadahiko Fuchigami 1 , Akinori Iwashita 2 1Institute of Gastroenterology, Matsuyama Red Cross Hospital 2Department of Pathology, Fukuoka University Chikushi Hospital Keyword: 未分化型胃癌 , 小胃癌 , X線診断 , 内視鏡診断 pp.1491-1504
Published Date 1996/11/25
DOI https://doi.org/10.11477/mf.1403104453

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  • Abstract
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 We reviewed 2,392 lesions from 2,186 cases of gastric cancer, and discussed clinicopathological features of undifferentiated-type cancers.

 1) The ratio between differentiated-type and undifferentiated-type was 1.4: 1 in total, and was 1.1: 1 when elevated type were excepted. Limiting the lesions to small cancers less than 1 cm in diameter the ratio was 2.9: 1 (139 lesions: 48 lesions).

 2) Eighty one% of undifferentiated-type small gastric cancers were located within 2 cms of the area where mucosal fold is evident along the greater curvature of the body. On the other hand, 73% of differentiated-type cancers were located in the oral site of such areas.

 3) Undifferentiated-type cancers less than 3 mms in diameter were almost entirely Ⅱb lesions not detectable grossly. However, among those exceeding 5 mm in size, morphological changes (depression with surrounding elevation, fold convergence, etc.) became more apparent, and increased the number of cases which could be easily recognized.


Copyright © 1996, 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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