[Juvenile dermatomyositis and toxoplasmosis: a rare association].

Dermatomyositis is an unknown cause's disease that in general is characterized by muscular inflammation with weakness and typical skin rash (heliotrope and Gottron's papules). In this article we describe a 13-year-old girl with juvenile dermatomyositis associated with toxoplasmosis. Myositis was treated with corticosteroids and immunosuppressive drugs, but she had good response only after anti-parasitary drug was started.