患儿男 ,11岁。间断咳喘 10余年 ,于 2 0 0 3年 4月 18日因病情加重入院。患儿自出生后 10个月起反复咳喘 ,每年秋冬季明显。先后就诊于多家医院 ,均诊断为肺炎、反复呼吸道感染 ,在门诊治疗 ,症状无改善。 2 0 0 2年始被诊断为肺间质纤维化。入本院前 2个月咳喘加重 ,近 7d伴 Children male, 11 years old. Cough intermittent more than 10 years, on April 18, 2003 due to aggravated admission. Children from the 10 months after birth repeatedly cough, autumn and winter every year significantly. Has visited several hospitals, were diagnosed with pneumonia, repeated respiratory infections, treatment in the clinic, no improvement in symptoms. The beginning of 2002 was diagnosed as pulmonary fibrosis. Into the hospital 2 months before cough increased, nearly 7d with