Dermatomiositis: a propósito de 3 casos interesantes

authors present three patients seen in the "juan manuel márquez" children hospital where two of them had as first manifestations weakness in lower extremities and arthritis provoking a progressive difficulty to walk. the third patient had skin squamous lesions with hypopigmentation in the case and limbs as well as asthenia and knee arthritis. to made the diagnosis studies were conducted including thigh biopsy criteria were applied to confirm diagnosis of dermatomyositis with exclusion of other diseases according to clinical picture and complementary examinations performed. in the two first patients a imunomodulation treatment was prescribed including prednisone and methotrexate, and the other patient received prednisone and azathioprine. there was a good response to treatment and a disease control. the first patient dye at 4 months of treatment due to complications (intestinal vasculitis and surgical treatment associated-sepsis). remainder patients are followed up in consultation.