1. and that obstruction of the pancreatic duct is a major Gregory, 1958; Johnson and Kalser, 1959; Gross cause of pancreatitis when the bulk of experimental and Hallenbeck, 1960; Bartlett and Nardi, 1960; and pathological evidence is against this possibility;Block and Paloyan,1963
2. Cholelithiasis may cause pancreatitis The incidence of biliary tract disease in pancreatitis varies;true;from 32% to 91 %; Jordan; According to Howard and,1963
3. described a case in which the main pancreatic duct was obstructed by a stone 6 cm from the tail; the duct behind the stone was greatly dilated but pancreatitis was confined to the other part of the gland with free drainage into the duodenum. The stone evidently protected the to an understanding of the pathogenesis of galldistal part of the gland from reflux. stones;Sinclair,1959
4. Pancreatitis and calculous cholecystitis occurred together in five patients in whom the duct of San-REFERENCES torini was the principal pancreatic duct; the duct of Wirsung was absent,1965