Clinical Study ERCP Features and Outcome in Patients with

Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Background. Although periampullary diverticulum is usually asymptomatic and discovered incidentally in patients during endo-scopic retrograde cholangiopancreatography (ERCP), it may lead to post-ERCP morbidity. We compared baseline characteristics and clinical data as well as ERCP results in patients with and without periampullary diverticulum. Methods. Clinical, laboratory, and ERCP data of 780 patients referred to the Taleghani Hospital, as a great referral endoscopy center, in Iran were prospectively analyzed. Results. The periampullary diverticulum was identified in 44 patients (5.6%). Cannulation of common bile duct was more failed in patients with diverticulum compared to others (35.5 % versus 11.5