A randomized controlled crossover study to determine if narrow band imaging or white light endoscopy is superior in detecting right colonic polyps in average risk subjects undergoing screening colonoscopy
Asymptomatic subjects undergoing screening colonoscopy
age > 50.
average risk subjects defined as those without a personal history of inflammatory bowel disease, colon adenoma or cancer or family history of FAP or Familial non-polyposis syndrome or first degree relatives having diagnosed to have colo-rectal carcinoma, no colonoscopy in past 5 years and, ability to provide a written consent to trial participation
unable to consent
Parallel
WLE first, then B-NBI
Diagnostic testRate of right sided polyp detection with WLE and B-NBI
Rate of the detection of SSPs in the right colon with WLE and B-NBI
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