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: Surgery
Intraop cholangiography is done in - 
Select and explain. 
A. Cholangitis, B. Periampullary carcinoma, C. High lipase level, D. Large gall stones
C: High lipase level
Answer: C: High lipase level 
Explanation: Answer- C. High lipase levelClinical H/o jaundice/ pancreatitisElevated bilirubin level Abnormal LFTIncreased amylaseHigh lipase levelDilated CBD on preop USG