Purpose::To evaluate magnetic resonance cholangiopancreatography (MRCP) in demonstrating the dilated pancres and bile ducts.Materials and methods:52 patients including 35 cases of bile ducts obstration and 17 cases of other causes,were examined by MRCP which was performed with a breath hold heavily T 2 weighted fast spin echo (FSE) seqence.The images were postprocessed on pile up.23 cases were operated in 52 patients.Results:The situation of biliary obstruction and dilated bile ducts were visualized in all ...