Japanese

Clinical Assessment on Accuracy of Invasion Depth of Submucosally Invasive Colon Cancer Predicted by Magnifying Colonoscopy Shin-ya Satake 1 1Digestive Disease Center, Showa University Northern Yokohama Hospital Keyword: 拡大内視鏡 , pit pattern , 大腸sm癌 , 肉眼形態 pp.1357-1362
Published Date 2004/9/25
DOI https://doi.org/10.11477/mf.1403100567
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 Due to pit pattern analysis by magnifying endoscopy, an endoscopic diagnosis is becoming almost as good as histopathological diagnosis. With advancements in endoscopic equipment and techniques we are forced to be even more careful about the indications for endoscopic treatment. We have been quite successful in pretreatment diagnosis of colon cancer patients by means of the relative grading system of submucosal invasion(Kudo, et al.). Since1,000μmof directly measured invasion depth is expected to be used as one of the rules for colon cancer diagnosis, we have checked the validity of the direct measurement of invasion depth from the magnifying endoscopic point of view.

 In case of flat or depressed type, almost all lesions with VN pit pattern have invaded deeper than1,000μm. However, in case of the elevated type, there was a significant number of lesions with VI pit pattern with invasion depth of over1,000μm.

 1) Digestive Disease Center, Showa University Northern Yokohama Hospital, Yokohama, Japan


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

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