Abstract
Recently, endoscopic retrograde cholangiopancreatography (ERCP) is a necessary examination in morphological diagnosis of bile and pancreas ducts systems. We have experienced 183 successful cases of ERCP from March, 1972 to September, 1976.
The endoscopic figure of papilla of vater and the regional reflection rates and diamater of bile and pancreas duct systems were investigated in relation with the diseases of the systems.
1) The characteristics of the endoscopic figure of the papilla of vater in cholelithiasis. Most of cholecystolithiasis group cases were hemispherical type and slit-like type and choledocholithiasis group cases were homiellipsoid type and slit-like type. Particularly plica longi-tudinalis duodeni was often elevated higherly in choledocholithiasis group.
2) The regional reflection rates of bileduct system by ERCP. In cholecystolitiasis group, the reflection rates of cystic duct and gall bladder were low, and in choledocholithiasis group, reflection rates were low in duodenal portion and its side along the liver.
The regional reflection rates of the pancreatic duct system, in benign group of pancreatic diseases, the reflection rates were generally lower except in the head part of pancreas in comparing to the control group. In cholelitiasis group, the reflection rate of the pancreatic duct was somewhat high.
3) Every part of common bile duct and head part of pancreatic duct were enlarged remarkably in choledocholithiasis (P<0.001) . In benign pancreatic disease group, head part of pancreatic duct was also enlarged obviously (P<0.05) .
4) In benign bile duct disease group, significant corrlation was recognized between the maximum diameter of the common bile duct and that of the pancreatic duct (P<0.001) . A positive correlation was also observed in cholecystolithiasis (P<0.02) and choledocholithiasis (P<0.05) .
