患儿女性 ,31012 岁 ,因反复咳嗽、发热 2周、咯血 1天于1999年 10月 8日入院。入院前 2周 ,患儿不明原因咳嗽 ,呈阵发性刺激性干咳、痰多 ,无喘息、呼吸困难及发绀 ,伴间断中等度发热 ,无畏寒、寒战及呕吐、腹泻 ,曾在院外两家医院求治 ,按“肺炎”治疗 ,病情未见好转 ,咳嗽时 Children with children, aged 31012, due to repeated cough, fever for 2 weeks, 1 day of hemoptysis admitted on October 8, 1999. 2 weeks before admission, children with unexplained cough, paroxysmal irritation of dry cough, phlegm, no breathing, difficulty breathing and cyanosis, with intermittent moderate fever, no chills, chills and vomiting, diarrhea, had two outside the hospital Hospital for treatment, press “pneumonia” treatment, the condition did not improve, when coughing