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Japanese

Endoscopic Diagnosis of Tissue Atypism (EA) in the Pharyngeal and Esophageal Squamous Epithelium―IPCL Pattern Classification and ECA Classification Haruhiro Inoue 1 , Makoto Kaga 1 , Hitomi Minami 1 , Keiko Kudo 1 , Yoshitaka Sato 1 , Satoshi Sugaya 1 , Hitoshi Satodate 1 , Shin-ei Kudo 1 1Digestive Disease Center, Showa University Northern Yokohama Hospital, Yokohama, Japan Keyword: 食道dysplasia , IPCL pattern分類 , ECA分類 , endocytoscopic diagnosis of tissue atypia分類 pp.581-588
Published Date 2007/4/26
DOI https://doi.org/10.11477/mf.1403101050
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 Standard magnifying endoscopy has approximately 100-fold magnifying power. IPCL pattern is diagnosed with it. NBI (narrow band imaging) system is extremely useful to effectively recognize IPCL as a brown spot. In IPCL type classification, type I mainly includes normal epithelium. Type II corresponds to inflammatory change or non-neoplastic tissue and type III reflects border-line lesions. Type IV strongly suggests carcinoma in situ. Type V-1is definitely diagnosed as carcinoma in situ.

 Endocytoscopy has approximately 500-fold magnification, which enables observation of cell and nucleus. Endocytoscopic images are classified into five categories from normal epithelium to malignant tissue as ECA classification (endocytoscopic atypism classification). ECA IV and V are considered to be treated in a clinical setting.


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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