[Diagnostic algorithm of biliary tract diseases in children].

Biliary tract (BT) diseases occupy one of the first places among the gastrointestinal diseases in children. The term "biliary tract" includes the gallbladder and intra-and extrahepatic bile ducts. The structure of biliary tract diseases had a significant increase in metabolic and inflammatory diseases, functional disorders. According to this, purpose of this study was to propose algorithms for children examination with biliary tract diseases in outpatient and hospital phases. In this article, based on their own experience was described the features and significance of laboratory and instrumental methods in the diagnosis of biliary tract disease in children. It was shown that the diagnostic significance of intrascope research methods in the identification of bile-excreting system diseases in children.

[Essential microelements and gallstones in children]. / Essentsial'nye mikroélementy i zhelchnokamennaia bolezn' v detskom vozraste.

The article presents a study of particular features of the essential microelements content in the hair, blood, bile and gallstones in infants with cholelithiasis. It was shown that this disease is accompanied by a lack of microelements, which appears as a lack of selenium, imbalance of zinc and accumulation of iron and copper in biological objects. In conjunction with other factors (vegetative dysfunction, comorbidities of the gastrointestinal tract and maldevelopment of the bile-excreting tract), the lack of microelements can promote the formation of gallstones in infants. It is possible to obtain complete information on particular features of microelements changes with the help of simultaneous studies of tissues of the hair, blood, bile and gallstones.