2010-04-13 20:27:34 UTC

High Rate of Dysplasia Is Based on Polyp Size

April 13, 2010

Doctors determined the rate of high-grade dysplasia among patients with all adenomas and its prevalence in patients with adenomas of different sizes in a well defined population-based study. Because of the high rate of high-grade dysplasia among small adenomas, study results — published in Diseases of the Colon and Rectum — reinforce the need to remove all small adenomas detected at colonoscopy. Furthermore, the results suggest that opting for CT colonography (CTC) surveillance instead of colonoscopic removal among subjects with one or two small polyps revealed by CTC would have led to missed high-grade dysplasia in 12 percent of them.

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