Frey's procedure
Surgical treatment for chronic pancreatitis
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Frey's procedure is a surgical technique used in the treatment of chronic pancreatitis in which the diseased portions of the pancreas head are cored out. A lateral pancreaticojejunostomy (LRLPJ) is then performed in which a loop of the jejunum is then mobilized and attached over the exposed pancreatic duct to allow better drainage of the pancreas, including its head.[1]

Indication
Frey's operation is indicated on patients with chronic pancreatitis who have "head dominant" disease.
Comparison to Puestow procedure
Compared with a Puestow procedure, a Frey's procedure allows for better drainage of the pancreatic head.