Updates in colorectal cancer screening in inflammatory bowel disease

Current Opinion in Gastroenterology
William T Clarke, Joseph D Feuerstein

Abstract

This review article will discuss the risk of colorectal cancer (CRC) in patients with inflammatory bowel disease (IBD), as well as the current recommendations for CRC screening and surveillance in patients with ulcerative colitis or Crohn's colitis involving one-third of the colon. Given that most cases of CRC are thought to arise from dysplasia, previous guidelines have recommended endoscopic surveillance with random biopsies obtained from all segments of the colon. However, recent evidence has suggested that the majority of dysplastic lesions in patients with IBD are visible, and data have been supportive of chromoendoscopy with targeted biopsies of visible lesions rather than traditional random biopsies. There have also been efforts to endoscopically remove resectable visible dysplasia and only recommend surgery when this is not possible. Patients with long-standing ulcerative colitis or Crohn's colitis involving at least one-third of the colon are at increased risk for developing CRC and should undergo surveillance colonoscopy using new approaches and techniques.

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Methods Mentioned

BETA
biopsies
dissection
surgical resection

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