exrtraarticular manifestations of psoriatic arthritis in patients with low clinical and laboratory activity of disease

The research goal is to present the clinical observation that shows possibility of combination of low clinical and laboratory activity of psoriatic arthritis with 1) a large amount of exrtaarticular manifestations; 2) severe lesion of internal organs; 3) development of nephritis and hepatitis; 4) cardiovascular system pathology. The possibilities of different diagnostic and therapeutic methods have been considered in the article