[The importance of the complement consumption reaction for the differential diagnosis of diseases of the hepatobiliary system].

A study is presented of 94 patients with chronic inflammatory diseases of the hepatobiliary system and in 22 patients with dyskinesia of the biliary tract. The importance of the complement consumption reaction was evaluated (N. I. Kondrashova modification). The results of the investigation revealed distinct increase of the level of antitissue antibodies in patients with chronic inflammatory diseases of the hepatobiliary system at the stage of exacerbation. This may be used for assessment of the activity of the pathological process, differential diagnosis of biliary tract dyskinesia and as an index of treatment efficacy.