1临床资料:患儿2个月,男性,维吾尔族,因发热、咳嗽8天入院,入院查体体温38.4℃,脉搏153次/min,呼吸52次/min。精神差,面色显苍白,皮肤显苍白,浅表淋巴结未触及肿大,头颅无畸形,睑结膜苍白,口唇淡白,胸廓未见畸形,脊柱未见畸形。双肺闻及湿性啰音,腹软,肝脾触及中度肿大,四肢未见畸形,活动可,甲床显苍白。其父母、姐体健家族中无类似患者,。辅助检查:血常规:白细胞20.29×109/L,中性粒细 1 Clinical data: Children 2 months, male, Uygur, due to fever, cough 8 days admitted to hospital, body temperature 38.4 ℃, pulse 153 beats / min, breathing 52 beats / min. Poor spirit, pale face, the skin was pale, superficial lymph nodes did not touch the swollen, no head deformity, pale conjunctiva, pale lips, no abnormal thorax, no abnormal spine. The lungs smell of wet rales, abdominal soft, moderate and enlarged liver and spleen touch, no abnormalities in limbs, activities can be, a pale bed. There were no similar patients in their parents and sister health families. Auxiliary examination: blood: white blood cells 20.29 × 109 / L, neutropenia