患儿,男,5岁,因“左耳痛,听力下降伴左侧面瘫20 d”以急性乳突炎收入院。入院前曾在当地医院給予内舒拿鼻喷激素治疗及青霉素注射治疗7 d,效果差。患儿7个月前因急性粒细胞白血病在外院行化疗,骨髓处于完全缓解状态。入院体检:体温37.2℃、脉搏92次/min,呼吸频率21次/min、血压 Children, male, 5 years old, because of “left ear pain, hearing loss with left facial paralysis 20 d ” to acute mastoiditis income hospital. Before admission in the local hospital to give nasal spray nasal spray hormone therapy and penicillin injection for 7 days, the effect is poor. Children with acute myeloid leukemia in the hospital 7 months ago chemotherapy, bone marrow in complete remission. Admission examination: body temperature 37.2 ℃, pulse 92 beats / min, respiratory rate 21 beats / min, blood pressure