LCT and Thrombocytopenia: In that occasion, at the age of 13, the girl repeated blood tests which showed: positive aCL, LAC and IgM anti-beta 2 glycoprotein I, erythrocyte sedimentation rate (ESR) 22 mm/hr, C3 44 mg/dL, C4 2 mg/dL, positive ANA (1:320), positive anti-DNA antibodies, thrombocytopenia (67000/mm3).