Patients often complain of intermittent right upper quadrant pain that is exacerbated by eating.
Imaging studies are often normal or may demonstrate mild ductal dilation. Click image for enlarged, annotated view Fig. 2. ERCP are among the tests that often have application to biliary duct disorders. Among these, MRCP and ERCP are most comparable in the type of diagnostic information provided. MRCP is a new, fast, non-invasive and inexpensive method of characterizing disorders of the bile ducts and and main pancreatic duct.