现对大量分泌物致严重支气管阻塞肺不张1例分析如下。1病历摘要男,13岁,65 kg。因右肱骨干骨性囊肿合并病理性骨折,拟在全麻下行病灶清除、钢板内固定、取髂骨植骨术。术前访视患者,家属否认近期上呼吸道感染及其他病史。患者体格及理化检查均正常,但术前7 d外院X线片提示肺纹 A large number of secretions are now caused by a serious bronchial obstruction atelectasis as follows. 1 Medical summary Male, 13 years old, 65 kg. Because of the right humeral shaft bony cyst with pathological fracture, intended to remove the lesion under general anesthesia, plate fixation, iliac bone graft. Preoperative visit patients, families deny recent upper respiratory tract infection and other medical history. Physique and physical examination of patients were normal, but outside the hospital 7 days before X-ray pulmonary markings