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Japanese

Submucosal Rectal Carcinoma Effectively Treated by Magnifying Colonoscopy Using Narrow Band Imaging, Report of a Case Nana Nakayama 1 , Shinji Nagata 2 , Mayumi Kaneko 3 , Youji Honda 1 , Mieko Onoyama 1 , Rie Kawase 1 , Kenichi Kuwahara 1 , Shigeru Kimura 1 , Keiji Tsuji 1 , Hiroaki Ogoshi 2 , Akio Sakatani 3 , Fumio Shimamoto 4 , Toru Hidaka 1 1Department of Internal Medicine, Hiroshima Asa City Hospital, Hiroshima, Japan 2Department of Endoscopy, Hiroshima Asa City Hospital, Hiroshima, Japan 3Department of Pathology, Hiroshima Asa City Hospital, Hiroshima, Japan 4Department of Health Science, Prefectural University of Hiroshima, Mihara, Japan Keyword: 大腸SM癌 , 深達度診断 , NBI拡大観察 , 拡大内視鏡観察 pp.1615-1621
Published Date 2009/9/25
DOI https://doi.org/10.11477/mf.1403101766
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 An eighty-year-old male underwent colonoscopy for the diagnosis of the reason for occult blood in his stool. Conventional colonoscopy revealed a protruded lesion with an irregular central depressed area in the upper rectum. The tumor was 10mm in diameter, and the gross configuration was type Is+IIc. Magnifying colonoscopy with crystal violet showed IIIL~IV type pit pattern in the prominent border and VI-high type pit pattern in the depressed area. Magnifying colonoscopy using the narrow band imaging(NBI)system showed thick and irregular vessels and disrupted capillary pattern in the depressed area. Based on this finding, this tumor was diagnosed as being submucosal invasive carcioma. Endoscopic mucosal resection(EMR)was performed to bring about total biopsy. Histologically, the depressed lesion was a moderately differentiated adenocarcinoma with the depth of submucosal invasion being(SM 1,180μm), ly0, v0.

 This case was diagnosed using the NBI system, more effectively than with the barium enema or the pit pattern method.


Copyright © 2009, 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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