| Sixty two patients with acute biliary pancreatitis ( ABP ) were prospectively studied by early ERCP in order to evaluate the morphology of the pancreatico choledochal junction and the pancreatic duct system ( PDS ) and compared with 62 control patients . ^^^ Morphological changes of the PDS were found in all patients with necrotizing ( 22 cases ) and in 15 out of 40 patients with edematous ABP ( p < 0 . 0001 ) . . ^^^ |