外源性过敏性肺泡炎是反复吸入某些具有抗原性的有机粉尘所引起的一组疾病,常同时累及终末细支气管。该病临床较少见,但近年来发病率有上升趋势。笔者现将近4 a来经临床确诊的21例外源性过敏性肺泡炎患者资料分析如下。1临床资料1·1一般资料本组男15例,女6例;年龄13~58岁;病程 Allergic alveolitis is caused by repeated inhalation of certain antigenic organic dust caused by a group of diseases, often involving the terminal bronchioles. The disease is clinically rare, but the incidence has been on the rise in recent years. The author now nearly 4 years to clinically diagnosed 21 cases of exogenous allergic alveolitis patients data are as follows. 1 Clinical data 1.1 General Information The group of 15 males and 6 females; aged 13 to 58 years of age; duration