[Cryoglobulinemia and HCV-infection: stages of study].

The article presents the main stages of studying cryoglobulinemia and the associated clinical symptom complex as a manifestation of cryoglobulinemic vasculitis. Achievements in the study of hepatitis C virus are shown: the etiological role of the hepatitis C virus, pathogenesis, diagnosis. Variants of the course are considered, modern criteria for differential diagnosis, prognosis, choice of tactics and treatment methods are given.