Heterotopic pancreas of the gallbladder associated with segmental adenomyomatosis of the gallbladder
A 36-year-old female patient visited Pusan National University Hospital complaining of dyspepsia and right upper quadrant discomfort. Physical examination and laboratory results revealed no abnormal findings. The computed tomographic (CT) scan showed a segmental adenomyomatosis (ADM) (, ). After one year follow-up, the symptoms of the patient had worsened. At that time a laparoscopic cholecystectomy was performed. In the gross finding of resected specimen, the wall of the gallbladder body showed gross focal thickening and luminal narrowing and the cystic duct showed nodular extraluminal thickening. Microscopically the wall of the gallbladder body demonstrated adenomyomatous hyperplasia (). In the examination of the cystic duct normal pancreatic tissue was revealed in subserosal layer, and the pancreatic duct lay on the muscle layer of the cystic duct. Also the pancreatic lobules were grouped on the subserosa (). In the high power microscopic findings, the lobules were found to contain acini and islets in normal proportions ().