The Coombs test was positive, with presence of autoantibodies anti-C 3 in 7 cases and alloantibodies anti-E and anti-c in 1 patients (the patient Rh antigens being CCDee).

• 10例直接Coomb试验阳性 ,其中 7例伴C3 抗体阳性 ; 血清抗IgG均阴性 ;