Abstract
The idiopathic inflammatory myopathies (IIM) are a heterogeneous group of chronic autoimmune diseases, systemic, associated with high morbidity and functional disability. Considering the clinical and histopathological features, the MII can be classified into polymyositis (PM), dermatomyositis (DM), juvenile dermatomyositis (JDM), and inclusion body myositis (IBM), myositis associated with…