Abstract
Idiopathic inflammatory myopathies (IIM) are a heterogeneous group of chronic autoimmune diseases, systemic, associated with high morbidity and functional disability. Concerning the clinical and histopathological features, the MII can be classified as Polymyositis (PM), Dermatomyositis (DM), juvenile Dermatomyositis, inclusion body myositis, myositis associated with malignancy, and myosit…