本文报告20例慢性气管炎和8例对照组的病理变化,并在病例组中按不同年龄、病程、病情和有无吼喘史等分组对比观察。全部标本均系将气管及双肺完整取出,用10%甲醛固定后,切取总气管,右支气管及右肺上、下叶的各级支气管共10块,石腊包埋切片,作 H.E,P.A.S 及弹力染色。病例组之胸膜纤维性粘连,肺气肿,气管及支气管内渗出物存积,粘膜充血及导管口扩 This article reports 20 cases of chronic bronchitis and 8 cases of control group pathological changes, and in the case group according to different age, duration, condition and with or without roar history comparison of the group. All specimens were completely removed from the trachea and the lungs. After fixation with 10% formaldehyde, 10 bronchial tubes of the total trachea, the right bronchus and the upper and lower lobes of the right lung were excised and embedded in paraffin embedded sections for HE and PAS And stretch dyeing. Case group pleural fibrous adhesions, emphysema, tracheal and bronchial exudate accumulation, mucosal congestion and catheter expansion