Abstract

Endoscopic surveillance is an important method to identify colorectal neoplasia in patients with inflammatory bowel disease. Advances in endoscopic techniques using pancolonic chromoendoscopy have improved the detection of dysplasia compared to white-light endoscopy, which has the potential to decrease the risk of colorectal cancer. Currently, pancolonic chromoendoscopy is readily available for use, and in the future, it will likely become the standard of care for endoscopic surveillance. Pancolonic chromoendoscopy followed by confocal laser endomicroscopy may further increase the yield on surveillance endoscopy, although confocal laser endomicroscopy is not readily available outside of a limited number of institutions. Other endoscopic tools such as narrow band imaging have not been shown to be beneficial over white-light endoscopy. Emerging tools such as stool DNA testing show promise as an adjunct to colonoscopy but are still in the early stages of development. For management, patients with well-demarcated circumscribed dysplastic lesions should be resected endoscopically, followed by a continued endoscopic surveillance program. Patients with lesions that cannot be resected completely or that have features suggestive of invasive carcinoma on either endoscopy or histology should undergo colectomy. Patients with flat high-grade dysplasia should undergo colectomy. Patients with flat low-grade dysplasia should have a discussion about the risks and benefits of undergoing colectomy versus continuing in an endoscopic surveillance program. If they opt for surveillance, these patients should have more frequent follow-up surveillance examinations (every 3 to 6months) with pancolonic chromoendoscopy.

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