[Undifferentiated spondyloarthropathies].

ABSTRACT

The article is a review of the various aspects of the undifferentiated spondyloarthropathies. Data on the prevalence denote considerable frequency of undifferentiated spondyloarthropathies in various age groups. Clinical symptoms, evolution and treatment are provided. The special attention is given to a problem of juvenile spondyloarthropathies. Changes of the nomenclature of the spondyloarthropathies are offered, allowing to improve diagnostics and treatment of these diseases.