The role of colonoscopy in young patients with rectal bleeding: a systematic review and meta-analysis

ConclusionAbout 10% of patients under 50  years with anal bleeding will have a neoplastic lesion detected through colonoscopy. The greatest benefit of the procedure is observed between 40 and 50 years. Almost 30% of the neoplastic lesions were found in the proximal colon and could not be detected without the performance of a complete col onoscopy.
Source: International Journal of Colorectal Disease - Category: Gastroenterology Source Type: research