[A case of systemic lupus erythematosus in a 13-year-old girl].

A case of systemic lupus erythematosus with a typical clinical picture and morphology in a 13-year-old girl is reported. Duration of the disease was 4 years. Arteriitis, pneumonitis, sclerosis and lymphomacrophagal infiltration of portal hepatic tracts, mesangioproliferative glomerulonephritis were observed. Glucocorticoid therapy was followed by improvement of the patient's condition, but the patient stopped taking the hormones. This may contribute to exiturs letalis.