[Methodologic aspects of the x-ray endoscopic study of the pancreatobiliary system]

Methodological variants of roentgenoendoscopic investigation of the pancreatobiliary system were worked out on the basis of a combination of various methods of contrast studies of the ducts and fibroduodenoscopy. Possibilities of their use were shown with respect to a clinical situation. Investigations of 240 patients led to the conclusion that the use of the above variants of roentgenoendoscopic investigation increased diagnostic and therapeutic efficacy in diseases of the pancreatobiliary system.