[The pathomorphological changes in the common bile duct in suppurative cholangitis].

Pathomorphological investigation of suboperative material in 56 patients with purulent cholangitis was conducted to determine the character and peculiarities of the wall structure changes of common biliary duct. In 20 (36%) observations the histological changes were like in acute, and in 36 (64%)--like in chronic inflammation. Comparing the character of changes of the duct wall and the excised gallbladder it was determined that they are unique and presents the morphological substrate of disease. Since histological changes mainly correlate with the malady clinical course it must be taken into account while choosing operative procedure.