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Colorectal Cancer and/or Dysplasia Surveillance by Endoscopic Targeted Biopsies in Ulcerative Colitis Nobuyuki Hida 1 , Yoichi Ajioka 2 , Takayuki Matsumoto 1 1Division of Lower Gastroenterology, Department of Internal Medicine, Hyogo College of Medicine, Nisinomiya, Japan 2Division of Molecular and Diagnostic Pathology, Graduate School of Medicine and Dental Sciences, Niigata University, Niigata, Japan Keyword: dysplasia , colitic cancer , サーベイランス , 狙撃生検 pp.1335-1342
Published Date 2008/8/25
DOI https://doi.org/10.11477/mf.1403101447
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 A prospective multi-center clinical study was performed to evaluate the clinical usefulness of surveillance colonoscopy by targeted biopsies taken from mucosal abnormalities in patients with long-standing ulcerative colitis(UC). Of 320 patients, a total of 1348 biopsies(mainly targeted, nevertheless, including 365 non-targeted random biopsies)were taken, a mean of 4.21 per patient. Overall, 58 neoplastic lesions including sporadic adenomas were detected in 39 patients(12.2%). Thirteen(61.9%)of 21 lesions of dysplasia and colorectal cancer were endoscopically described as elevated lesions and 7(33.3%)lesions were flat. These results suggest that, most dysplastic lesions in UC may be visible under careful endoscopic observation, and therefore, colorectal cancer and/or dysplasia surveillance by endoscopic targeted biopsies could be an efficient method for finding neoplastic lesions in UC.


Copyright © 2008, 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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