[Pancreatic abscess and infected pseudocyst].

Acute pancreatitis is a sterile inflammatory process caused by a chemical auto digestion of the pancreas. The pancreatic abscess and infected pseudocyst are complications of acute pancreatitis of a high mortality rate that require a prompt diagnosis. The pseudocyst is defined as a localized collection of pancreatic juices confine to a retroperitoneal area by a fibrous membrane without epithelium; an abscess is a collection of pus and necrotic tissue. This illnesses should be suspected when patients with acute pancreatitis develop fever, tachycardia, abdominal distention or mass after 14-22 days after the initial attack. These entities require different treatment. The definite treatment is surgical intervention.