What are the recommendations for follow up screening in patients with colonoscopy showing tubovillous polyps or high-grade dysplasia?

Bottom line:   Follow-up colonoscopy recommended 3 years after polypectomy if 3-10 adenomas or 1 adenoma > 1 cm or any adenoma with villous features or high-grade dysplasia; colonoscopy < 3 years after polypectomy if > 10 adenomas on single exam; and colonoscopy 2-6 months after polypectomy to verify complete removal for sessile polyps “removed piecemeal.”

For details:  DynaMed Colonoscopy article  references Table 3 (p. 153) of guideline from American Cancer Society, US Multi-Society Task Force on Colorectal Cancer, and American College of Radiology. CA Cancer J Clin 2008 May-Jun;58(3):130

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About Amy

Clinical Informationist at EUH Branch Library
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