患儿,男,7天,因发热、咳嗽4天,于1980年3月6日入院。患儿系第2胎,第二产,足月顺产。由公社卫生院转来。其母妊娠早期无上感及服药史,未接受过X线照射。体检:体重2750g,呼吸78次,心率158次。口唇紫绀,鼻翼扇动,三凹征阴性。两肺可闻中小湿罗音。心音低钝,腹平软。肝肋下2.5cm,脾未及。四肢活动好,肌张力正常。入院印象:新生儿肺炎。入院后经抗感染、吸氧等治疗,吸氧困难改善。入院第3天右肺部罗音消失,左肺部呼吸音极低,可闻肠鸣音。胸透示左侧胸腔有多个大小不等的囊腔。立即插胃管注入稀钡25ml,行X线摄片,五分钟后钡剂进入 Children, male, 7 days, due to fever, cough for 4 days, on March 6, 1980 admitted. Children in the second child, the second birth, term full-term. From the commune to the hospital. The mother did not have a sense of early pregnancy and medication history, did not receive X-ray irradiation. Physical examination: weight 2750g, breath 78 times, heart rate 158 times. Cyanosis lips, nose flap, three concave sign negative. Two lungs can be heard in small wet rales. Heart sound low blunt, abdominal soft. Liver ribs 2.5cm, spleen and time. Good limb activity, muscle tone normal. Admission impression: neonatal pneumonia. After admission by anti-infection, oxygen and other treatment, oxygen dyspnea improved. On the 3rd day of admission, the right lung rales disappeared, the left lungs had very low respiratory sounds, and the bowel sounds could be heard. Thoracic show that the left chest has multiple sizes of cysts. Immediately inserted gastric tube into the thin barium 25ml, X-ray line, after five minutes into the barium