<prompt> Pseudopancreatic cyst isPost traumatic cystPost Inflammatory cystCongenital cystNeoplastic cyst  <response>: Pseudopancreatic cyst A chronic collection of pancreatic fluid surrounded by a nonepithelized wall of granulation tissue and fibrosis Pseudocyst accounts 75 of cystic lesions of the pancreas Most common complication of chronic pancreatitis Located anywhere from the mediastinum to the scrotum Found most often in the lesser sac or anterior pararenal space Traumatic pseudocysts tend to occur anterior to the body of the gland Chronic pancreatitis pseudocyst are commonly located within the substance of the gland Incidence of pseudocyst :, Acute pancreatitis 10-20 of patients. Chronic pancreatitis 20-40 of patients Multiple in 17 cases Alcohol is the most common cause of pancreatitis related pseudocyst Ref: Sabiston 20th edition Pgno :1531 