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Indications for Colonoscopic Treatment for Colorectal Carcinomas with Invasion in the Submucosa Fumio Konishi 1 , Kazutomo Togashi 1 1Department of Surgery, Jichi Medical School Keyword: 早期大腸癌 , sm浸潤 , リンパ節転移 , 組織型 , リンパ管侵襲 pp.747-751
Published Date 1999/5/25
DOI https://doi.org/10.11477/mf.1403103059
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 One hundred and twenty-five colorectal carcinomas with submucosal invasion were studied to clarify the indication for colonoscopic treatment. The significant risk factors for lymph node metastasis were, lymphatic channel invasion, moderate to poor differentiation or mucinous carcinoma on histology, moderate to poor differentiation in the margin of invasion. Level 2 in invasion of the submucosa (sm2) itself was not a risk factor for lymph node metastasis. None of the lesions with sm2 invasion lacking these risk factors for lymph node metastasis showed lymph node metastasis. Although the criteria for level 2 invasion (sm2) vary among reports, when there are no such risk factors as those mentioned above, the lesions with level 2 invasion in the submucosa (sm2) might be safely treated with colonoscopic removal.


Copyright © 1999, 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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