Fig. 8.

43-year-old man with branch duct type intraductal papillary mucinous neoplasm manifesting as multilocular cystic lesion (pleomorphic cystic).

A. Contrast enhanced CT image during venous phase shows multilocular pleomorphic cystic lesion in head of pancreas. B. Note dilated downstream pancreatic duct (black arrow). C. Gross specimen showing ill-defined multilocular cystic tumor in head of pancreas (black arrow) which contained mucinous material. Tumor connects with irregularly dilated branches of pancreatic duct, and is confirmed as branch duct type intraductal papillary mucinous neoplasm.