[Comparative aspects of the diagnosis of diseases of organs of the hepato-pancreatico-duodenal zone].

: The results of investigations the hepato-pancreatico-duodenal organs are analysed. High diagnostic effectiveness of the ultrasound examination in acute cholecystitis (95.5%) is demonstrated. In chronic calculous cholecystitis and in choledocholithiasis the ultrasound examination appeared to be accurate in 97.0% and 84.2% of cases respectively. Retrograde cholangiopancreatography was the most informative method for detection of the concrements in choledochus (effective in 94.4% of the cases). The diagnostic effectiveness of the ultrasound examination and laparoscopy in detection of mechanical jaundice and acute pancreatitis are considered to be equal. Ultrasound examination, retrograde cholangiopancreatography, laparoscopy appeared to be the most accurate and informative methods in diagnosis of the diseases of the organs of hepato-pancreatico-duodenal zone. The role of the X-ray examination decreased. At the same time the significance and reliability of intraoperative cholangiography has been stressed.