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
Pseudocyst of pancreas is 
Select and explain. 
A. Post traumatic cyst, B. Post inflammatory cyst, C. Congenital cyst, D. Neoplastic cyst
B: Post inflammatory cyst
Answer: B: Post inflammatory cyst 
Explanation: Ans. b (Post-inflammation cyst). (Ref. Bailey & Love, 25th/1138.)PSEUDOCYST OF PANCREAS# A pseudocyst of pancreas is a collection of pancreatic juice enclosed in a wall of fibrous or granulomatous tissue that is usually located in lesser sac region and follows an attack of acute pancreatitis/trauma.# It is not lined by epithelium in contrast to true pancreatic cyst.# A pseudocyst with wall thickness more than 5 mm or size more than 6 cm is a mature pseudocyst and surgical treatment (cystogastrostomy) is indicated.