60-year-old man with history of known IPMN. ABDOMEN:LIVER, BILIARY TRACT: The liver is cirrhotic in morphology with overall decreased signal. No focal hepatic lesion identified.SPLEEN: No significant abnormality noted.PANCREAS: There is a 59 x 40 mm well-defined T2 hyperintense lesion within the head of the pancreas, not clearly communicating with the pancreatic duct. The common bile duct is displaced by this cystic lesion and the pancreatic duct is nondilated. This lesion contains 2 small septations, but there is no enhancement. ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: No significant abnormality noted.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: Subsegmental atelectasis noted in the left lung base.
Cystic lesion in the head of the pancreas increasing in size over multiple exams, most likely a macrocystic serous cystadenoma or IPMN (although communication with the pancreatic duct is not seen).