An unusual cause of hydropic gallbladder and biliary colic--heterotopic pancreatic tissue in the cystic duct: report of a case and review of the literature.

We present herein an unusual case of heterotopic pancreas in the cystic duct with hydrops of the gallbladder and concomitant chronic pancreatitis of the heterotopic tissue. A review of the relevant literature is discussed following the presentation of this case.