Cystadenocarcinoma of the pancreas on CT scan

A CT scan of the abdomen and pelvis in a patient with mucinous cystadenocarcinoma. There is a simple-appearing cyst with an enhancing wall in the tail of the pancreas (dashed arrow). An adjacent soft tissue mass in the body of the pancreas (arrowhead) is suspicious for malignant transformation. The neck of the pancreas (arrow) is normal.