Background: To improve detection of mucosal lesions during colonoscopy a number of imaging modalities have been suggested, including high definition and virtual chromoendoscopy. Given the theoretical advantage of these new imaging techniques, we aimed to investigate their use for the detection of polyps in patients referred for colonoscopy in a large tertiary hospital.
Methods: Demographic, endoscopic, and histological data from 1855 consecutive patients undergoing colonoscopy were collected prospectively.