Japanese

Microvacular Architecture in Flat Reddened Lesions of Gastric Mucosa Visualized by Magnified Endoscopy Kenshi Yao 1 , Akinori Iwashita 2 , Tsuneyoshi Yao 1 1Department of Gastroenterology, Chikushi Hospital, Fukuoka University 2Department of Pathology, Chikushi Hospital, Fukuoka University Keyword: 拡大内視鏡 , 微小血管構築 , 発赤 , びらん , 胃癌 pp.1725-1733
Published Date 2002/12/25
DOI https://doi.org/10.11477/mf.1403104614
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 The aim of this study was to investigate whether the differences in microvascular architecture, observed by magnifying endoscopy, could be useful findings for differentiating between focally reddened mucosa with gastritis and reddened flat gastric carcinoma. 52 focally reddened lesions in ordinary endoscopic findings were included in the study. These lesions were divided into two groups : 42 cases of reddened gastritis lesions and 10 cases of reddened differentiated carcinomas. According to the magnified endoscopic findings, the incidence of the three microvascular patterns, 1) presence of demarcation line, 2) disappearance of subepithelial capillaries and 3) proliferation of irregular microvessels, were determined for the respective groups. 71.4% of cases in the gastritis-group showed neither demarcation line, disappearance of subepithelial capillaries nor irregular microvessels. On the other hand, except for one case that failed to show the demarcation line, all the cases in the carcinoma-group demonstrated those three findings. It was suggested that if all the three findings are absent in reddened mucosal lesions viewed by magnified endoscopy, the lesion is probably gastritis rather than carcinoma. These magnified endoscopic findings might be useful for reducing biopsies that used to be unnecessarily taken from benign reddened gastritis.


Copyright © 2002, 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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