Abstract
Endoscopic feature of the duodenal papilla has been investigated in case of pancreaticbiliary disease. We have classified endoscopically the minor duodenal papilla into three types ; common, swelling, and solid-swelling type. In 94 cases, 42 cases (44.7%) were common type, 42 cases (44.7%) were swelling type, and 10 cases (10.6%) were solid-swelling type. Common type was seen rarely in cases of chronic pancreatitis or pancreas divisum. However, solid-swelling type was seen in many cases of pancreatic diseases. Therefore, it is suggested that the accessory papilla may be changeable from the common type to the swelling type or solid-swelling type according to the disturbance of pancreatic drainage. It is concluded that we can get some informations about the disturbance of the pancreatic drainage from the endoscopic observation of the minor papilla.