Acute pancreatitis is most often secondary to alcohol abuse or gallstone impaction in the distal common bile duct .
Other causes include trauma, cryptogenic, tumor, infection, hyperlipidemia, and ERCP . CT Findings typical of pancreatitis include :
1 . An enlarged pancreas with infiltration of the surrounding fat 2 . Peripancreatic fluid collections can often be seen 3 . Pseudocysts, ( encapsulated fluid collections containing pancreatic secretions, are later complications of pancreatitis )
Notice the peripancreatic stranding ( bars ) as well as the fluid thickening of the interfascial space