[The complex diagnosis of high obstruction of the bile ducts]

On the basis of the results of examination of 275 patients with high obstruction of the bile ducts of different genesis, it is shown, that ultrasound diagnosis permits correct establishment of the nature of jaundice in 96%, level of obstruction in 75.8% of cases. In use of combination of the direct methods of ante- and retrograde cholangiography and sonography, the precise diagnosis permits to determine the possible volume of operative intervention.