The recent patient had a history of renal colic a month ago and referred with similar symptoms. Abdominal CT without contrast was done for ruling out of renal stone, but features of abdominal CT is consistent with acute pancreatitis.

CT scan has a critical role in confirming the clinical diagnosis of acute pancreatitis and evaluates its possible complications such as: necrosis, hemorrhage, infection, or vascular complications (such as a pseudoaneurysm) and intra- or peri-pancreatic collections.