Efficacy of colonoscopy after an episode of acute diverticulitis and risk of colorectal cancer.

Background: Diverticular disease of the colon has a high global prevalence. The guidelines suggest performing a colonoscopy 4-6 weeks after the acute episode to exclude colorectal cancer (CRC). However, these recommendations are based on old studies, when computed tomography was not used to diagnose acute diverticulitis (AD).