This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, Subject name: Surgery
Pancreatico-duodenectomy is not indicated in: 
Select and explain. 
A. Multiple cyst and calcifications in head of pancreas, B. Narrow pancreatic duct, C. Failed drainage procedure for chronic pancreatitis, D. Possibility of malignancy in head
B: Narrow pancreatic duct
Answer: B: Narrow pancreatic duct 
Explanation: Ans. (b) Narrow Pancreatic ductRef: Blumgart 6th ed; pg. 932The most frequent indications for Pancreatico-duodenectomy in patients with Chronic Pancreatitis:* Head of Pancreas is enlarged with cysts and calcification.* Previous endoscopic procedure or drainage procedure was ineffective.* Possibility of Malignancy in head.V shaped Excision procedure (Izbicki procedure) is done for Small Duct disease <3mm diameter Duct