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Surveillance Colonoscopy for Ulcerative Colitis Associated with Colorectal Cancer and Oncologic Outcomes after Surgery Satoshi Okada 1 , Takahide Shinagawa 1 , Soichiro Ishihara 1 1Department of Surgical Oncology, The University of Tokyo, Tokyo Keyword: 潰瘍性大腸炎 , 潰瘍性大腸炎関連腫瘍 , サーベイランス , dysplasia , 外科手術後の予後 pp.901-906
Published Date 2025/7/25
DOI https://doi.org/10.11477/mf.053621800600070901
  • Abstract
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 Long-standing ulcerative colitis(UC)is associated with an increased risk of colorectal cancer(CRC), and surveillance colonoscopy should be performed at 1−5-year intervals based on the CRC risk factors, including the burden of colonic inflammation, family history of CRC, primary sclerosing cholangitis, and history of colorectal dysplasia. Targeted biopsies should be performed in patients with suspicious mucosal findings of dysplasia. Dye spray chromoendoscopy should be considered in patients undergoing surveillance colonoscopy, whereas virtual chromoendoscopy is a suitable alternative high-definition endoscopic approach for dysplasia detection.

 The overall survival, which was good in patients with stage 0−1 UC-associated CRC, was significantly worse in those with stage 2−4 UC-associated CRC. The most frequent location of recurrence was the peritoneal region in patients with UC.

 Pouch surveillance should be performed in patients at high risk for colorectal dysplasia as well as in those with persistent moderate/severe pouchitis.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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