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Type0-IIa+IIc Rectal Submucosal Carcinoma with the Diffuse Destruction of Muscular Mucosae, Report of a Case Shiro Oka 1 , Shinji Tanaka 1 , Toru Kawamura 1 , Iwao Kaneko 2 , Ritsuo Mouri 2 , Kyoko Yoshioka 2 , Hiroyuki Kanao 2 , Masaru Shimamoto 2 , Akira Fukumoto 2 , Shigeto Yoshida 1 , Masaharu Yoshihara 3 , Kazuaki Chayama 2 1Department of Endoscopy, Hiroshima University Hospital, Hiroshima, Japan 2Department of Gastroenterology, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan 3Health Service Center, Hiroshima University, Higashihiroshima, Japan Keyword: 大腸SM癌 , SM浸潤実測値 , 粘膜筋板 , ESD pp.1157-1164
Published Date 2007/6/25
DOI https://doi.org/10.11477/mf.1403101144
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 A 73-year-old women visited our hospital with diarrhea and loss of weight. Conventional colonoscopy revealed a IIa+IIc-type lesion, 20mm in maximum diameter in the lower rectum. Air induced deformation was observed. Magnifying colonoscopy showed type VI pit pattern in the depression area. Endoscopic sonography demonstrated that the tumor had not massively invaded into the third layer. The lesion was diagnosed as a intramucosal or submucosal slightly invasive rectal cancer. We performed endoscopic submucosal dissection in order to resect it en bloc. The pathological diagnosis was a well differentiated adenocarcinoma with SM massive invasion (1,100μm). The muscularis mucosae was destroyed diffusely. There was no vessel involvement.


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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