Mucinous cystic lesion of the pancreas
Patient has a pancreatic cystic lesion that has been present for four years.
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A well-marginated hypoattenuating pancreatic body lesion arises from the posteroinferior aspect of the pancreatic body. It measures 5.7 x 5.3 x 5.0 cm. It is mainly cystic unilocular with few thin septations and peripheral calcification (seen in the left lateral wall). It compresses the splenic vein displacing it inferiorly, attenuating its lumen with development of mesneteric collaterals draining into the SMV. Intact splenic artery, although the cystadenoma abuts the lesion. Main pancreatic duct is normal caliber.
Pancreatic body unilocular cystic tumor, likely a mucinous cystic lesion, abutting the splenic vein with development of portal venous collaterals.
Although mucinous cystic lesions have malignant potential, this case has long stationary history of pancreatic cystic lesion.