RADIOLOGY: SPLEEN: Case# 32882: SPLENIC ARTERY ANEURYSM. 56-year-old woman with epigastric and lower abdominal pain. The patient has a history of alcoholism. A scan is performed because of possible pancreatitis. There is an elevated lipase but normal amylase. There is a large pseudoaneurysm measuring over 5.0 x 4.0 cm. This appears to be arising from the region of the splenic artery or a branch. The central area is enhancing with arterial inflow. A significant portion of the pseudoaneurysm contains thrombus. Additionally, there is a pseudocyst posterior to the lateral segment of the left hepatic lobe. This extends inferiorly. Minimal ascites is present.