[The diagnostic of peroxisomic diseases in children].

The article presents the results of analysis of long-chained fat acids, fitanic acid and pristanic acid using gas chromatography method. The information is provided concerning the biochemical characteristics of mentioned compounds and their biologic role. The procedure of their analysis is described. The reference values of levels of main long-chained fat acids in blood plasma are presented. The dynamics of modifications of these values under various pathologies is analyzed, including the inherited peroxis diseases in children.