Case presentation: L.S.O., female, 15 years old, hospitalized for peaks of fever, anemia, positive direct coombs, hypocomplementemia and proteinuria >0.5 g/24h. Pulse therapy with methylprednisolone was prescribed the hypothesis systemic lupus erythematosus (SLE). Evolved severe headache convulsive crises presenting cortical, subcortical, posterior bilateral hypodensity on cranial tomography. P...