The commonest cause of acute pancreatitis is: (A) Biliary calculi, (B) Alcohol abuse, (C) Infective, (D) Idiopathic
Answer is A. Major cause of acute pancreatitis is biliary calculi(50-70% of patients) A careful search of aetiology is must before labelling idiopathic and no more than 20% cases should fall into this category. Bailey & Love 26th edition,1127,1128.