例1,患儿男,3 4/(12)岁。以进行性面色苍白2个月为主诉于1988年5月25日入院。患者于2个月前无明显诱因出现发热39℃,并伴轻咳。当地医院诊为“上感”,给予肌注氮基比林、奎宁等治疗2～3天后热退,但面色苍白,呈进行性加重,伴疲乏无力、纳少,无鼻衄、牙龈及皮下出血。经检查Hb35g/L,WBC 7.2×10~9/L,骨髓象提示单纯性红细胞再生障碍性贫血,而 Example 1, male children, 34 / (12) years old. The progressive pale for 2 months as the chief complaint was admitted on May 25, 1988. Patients 2 months ago no obvious incentive to fever 39 ℃, and with light cough. The local hospital was diagnosed as “feeling”, giving intramuscular injection of nitrogen-based bi-lin, quinine and other treatment 2 to 3 days after the heat back, but pale, progressive increase, with fatigue, less satisfied, no nose and throat, gingival and Subcutaneous bleeding. After checking Hb35g / L, WBC 7.2 × 10 ~ 9 / L, bone marrow showed simple erythrocyte aplastic anemia, and