This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
The primary imaging technique used in a case of suspected acute pancreatitis is: 
Select and explain. 
A. MRI abdomen, B. CECT abdomen with pancreatic protocol, C. USG abdomen, D. MR enterography
B: CECT abdomen with pancreatic protocol
Answer: B: CECT abdomen with pancreatic protocol 
Explanation: MDCT is the primary imaging technique used in evaluating patients suspected of having acute pancreatitis. CT useful for: Morphologic changes in the pancreas that allow confirmation of pancreatitis Assessment of the severity It is the only imaging study that predicts clinical outcome. Ref: ACR Appropriateness Criteria, Acute Pancreatitis