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The Diagnosis of Invasion Depth for Protruded Types of Early Colorectal Cancer using Magnifying Endoscopy Takeshi Tobaru 1,2 , Osamu Tsuruta 1,2 , Hiroshi Kawano 1,2 , Yuko Sawa 1,2 , Michio Sata 1,2 1Division of Gastroenterology, Department of Medicine, Kurume University School of Medicine, Kurume, Japan 2Center for Gastroenterology, Kurume University School of Medicine, Kurume, Japan Keyword: 隆起型早期大腸癌 , 深達度診断 , pit pattern , VI型pit細分類 pp.809-815
Published Date 2007/4/26
DOI https://doi.org/10.11477/mf.1403101089
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 We classified type VI pit patterns into two groups and studied the ability to diagnose invasion depth for protruded types (Isp and Is) of early colorectal cancer. The following results were obtained : For Isp, the calculated accuracy, sensitivity and specificity was93.3%, 83.3%, and100% in cases where the carcinoma had invaded the submucosal layer by more than 1,000μm. For Is, as well, 89.9%, 79.2% and95.6%.

 The subclassification of type VI was established as an effective method to achieve higher diagnostic accuracy.


Copyright © 2007, 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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