病例资料患儿,女,生后3个月时主因“全身皮疹、反复发热伴贫血、血小板减少3个月”住入我院。患儿在外院出生时发现头面部、躯干及四肢散在分布粟米至黄豆大淡红色及紫红色斑丘疹和丘疹,查血常规示白细胞15.7×10~9/L、中性粒细胞百分比77.1%、红细胞4.85×10~(12)/L、血红蛋白164 g/L、血小板273×10~9/L;肝肾功能、甲状腺功能、凝血功能、四项病毒(风疹病毒、巨细胞病毒、弓形体和单 Case data Children, women, 3 months after birth, the main reason “” systemic rash, repeated fever with anemia, thrombocytopenia 3 months "admitted to our hospital. Children born in the outer court found that head and face, torso and limbs scattered in the distribution of corn to soybeans large pink and purplish red papules and papules, blood tests showed that white blood cells 15.7 × 10 ~ 9 / L, 77.1% of neutrophils, 4.85 × 10 ~ (12) / L of red blood cells, 164 g / L of hemoglobin and 273 × 10 ~ 9 / L of platelets; liver and kidney function, thyroid function, coagulation function, four viruses (rubella virus, cytomegalovirus, single