ABSTRACT
To determine the etiology of lower GI bleeding based on colonoscopic findings Retrospective study. This study was conducted at gastroenterology unit of Nishtar Hospital Multan from Feb 2013 to August 2014. Two hundred and fifty four patients, >/= 14 years old who presented with history of lower GI bleeding to the gastroenterology unit of Nishtar Hospital Multan out of 254 patients, 59.05% were males and 40.95% were females. Mean age of patients was 37.22 +/- 10.68 years. Most common findings were haemorrhoids [40.9% cases], ulcerative colitis [35.4%], no abnormality [8.2%], solitary rectal ulcer [7.5%], growth [7.1%], proctitis [3.5%], polyps[2%], rectal varix [1.2%], infective colitis [0.8%], uremic colopathy [0.8%], rectal prolapse [0.8%], multiple polyposis coli [0.8%], petechiae [0.8%], stricture [0.8%], diverticula[0.4%]and fissure [0.4%]. Colonoscopy is the investigation of choice for patients of lower gastrointestinal bleeding. More common colonoscopic findings in our study were haemorrhoids, ulcerative colitis, solitary rectal ulcer, malignancy and proctitis. Polyps and diverticula which are common in the west were uncommon in our patients. Rectal prolapse, petechiae, stricture, uremic colopathy and multiple polyposis coli were rare causes