Internal Medicine

CT colonography identified 90% of asymptomatic adults with polyps >10 mm

Level 1: Likely reliable evidenceA prospective cohort study evaluated 2,600 participants aged 50 years and older who had colon cancer screening with multidetector CT colonography and same-day colonoscopy (N Engl J Med. 2008;359:1207-1217). Analysis included 2,531 participants (97%) with complete colonographic and colonoscopic results. The reference standard was colonoscopy with histologic confirmation. Prevalence of lesions…

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