This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diabetes Mellitus, Subject name: Medicine
Diabetic Ketoacidosis (DKA) mimics acute pancreatitis in all the following findings except : 
Select and explain. 
A. Elevated amylase, B. Elevated lipase, C. Abdominal pain, D. Hyperglycemia
B: Elevated lipase
Answer: B: Elevated lipase 
Explanation: Elevated serum lipase is not associated with DKA. It is specific to acute pancreatitis. DKA has a similar presentation like acute pancreatitis with abdominal pain, hyperglycemia, and elevated serum amylase. Serum lipase can differentiate both. Differential diagnosis of acute pancreatitis Biliary colic Acute cholecystitis Perforated hollow viscus (e.g., perforated peptic ulcer) Mesenteric ischemia or infarction Intestinal obstruction Myocardial infarction Dissecting aoic aneurysm Ectopic pregnancy