[Rare myositides and myopathies].

Inflammatory myopathies comprise dermatomyositis, polymyositis, inclusion body myositis, secondary myopathies associated with connective tissue diseases, malignancies, sarcoidosis and Behçet's disease. In the article the inclusion body myositis is presented. Differential diagnosis ofproximal muscle weakness also includes certain non-inflammatory myopathies The statin myopathy, as an example of the drug-induced myotoxicity, is elaborated. The infectious myopathies are described with the emphasis on parasitic myopathy. The endocrine myopathies are overviewed.