[Ultrasonic diagnosis of echinococcal cholangitis].

The role of sonographic examination in echinococcal cholangitis is stressed based on a clinical case. Due to perforation of the hepatic hydatid cyst into the bile ducts the clinical picture of acute cholangitis occurred, this being difficult to differentiate from that of choledochal stones. The correct diagnosis was made by sonographic examination and was confirmed intraoperatively. The importance of emergency sonographic examination in severely ill patients is stressed.