Japanese

The Problem of Endoscopic Diagnosis and Classification of Mucosal Esophageal Cancer Miwako Arima 1 , Teruo Kouzu 1 1The Second Department of Surgery, Chiba University School of Medicine Keyword: 食道粘膜癌 , 内視鏡診断 , 早期食道癌 , 深達度診断 , 内視鏡型分類 pp.341-350
Published Date 1994/3/25
DOI https://doi.org/10.11477/mf.1403105757
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 As mucosal esophageal cancer has almost no lymph node metastasis and has a pretty good prognosis, we would like to call only these lesions“early esophageal cancer”. Endoscopically, m cancer is usually revealed as type Ⅱ lesion, but, in today's classification, it can not be distinguished whether Ⅱa and Ⅱc lesions are m or sm cancer. Because of this, 86 superficial esophageal cancer lesions were reexamined. As a result, it was found that all Ⅱb type lesions, Ⅱc lesions with a smooth or particularly fine granular surface and Ⅱa lesions with a sharp tumor edge were located only in the mucosa. However Ⅱc lesions with a granular, nodular or roughly irregular surface and Ⅱa lesions with epithelial overlapping of the tumor demonstrated sm cancer. The features of sm cancer are discussed here again.


Copyright © 1994, 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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