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Ansa pancreatica is a rare type of anatomical variation of the pancreatic duct. It is a communication between the main pancreatic duct (of Wirsung) and the accessory pancreatic duct (of Santorini). Ansa pancreatica has been considered as a predisposing factor in patients with idiopathic acute pancreatitis 3.
The ansa pancreatica arises as a branch duct from the main pancreatic duct. It descends down initially, then ascends upward forming a loop finally terminating at the minor papilla.
History and etymology
It is derived from the Latin "ansa", which means "handle" as its configuration resembles a handle.