弥漫性间质性肺部疾病(ILD)是指病变发生于肺间质,同时也可累及肺泡上皮细胞肺毛细血管和肺动、静脉;胸部X线表现为弥漫性肺间质浸润或纤维化为特征的一组疾病。由于病因复杂,确诊困难,为研究有效的诊断方法,1992年～1994年10月间,我们将16例弥漫性间质性肺病患者,采用经纤维支气管镜肺活检(TBLB),取材作病理组织学及细菌学检查,病因确诊12例,报告如下。 Diffuse interstitial lung disease (ILD) refers to the lesions occur in the interstitium, but also can affect the alveolar epithelial cells, pulmonary capillaries and pulmonary artery and vein; chest X-ray showed diffuse interstitial lung fibrosis A group of diseases characterized by. Due to complicated etiology and difficult diagnosis, from 1992 to October 1994, 16 patients with diffuse interstitial lung disease were treated with bronchoscopic lung biopsy (TBLB) and pathological tissues Learning and bacteriology, etiology confirmed in 12 cases, the report is as follows.