A six year old girl presented with abdominal distension and pain localized to the epigastrium since one week. She has history of blunt abdominal trauma causing pancreatitis one month ago. On examination, there is an epigastric lump.
Axial and coronal sections of contrast enhanced CT scan of the abdomen show a well-defined, hypodense, peripherally enhancing collection measuring 10 x 12 x 15 cm in the lesser sac. It has 2 mm thick walls. The pancreas enhances homogeneously throughout in the arterial phase. There is no peripancreatic fat stranding or pancreatic necrosis .