在呼吸系统疾病的诊断过程中,对肺部弥漫性、局限性病变及某些胸膜疾病的病因诊断,有时可遇到困难,然而采用活体组织检查亦可获得确诊,现将该检查简介如下。一、经支气管肺活组织检查以X线胸片确定病灶部位,进行纤维支气管镜检查。对直视下可见的支气管内病灶,可直接进行钳取、刮匙及细胞刷刷取;对直视下不能见到的支气管外病变、纵隔及肺门块影、肺弥漫性或周围性 In the diagnosis process of respiratory diseases, it is sometimes difficult to diagnose the causes of diffuse, localized lesions of the lungs, and some pleural diseases. However, the use of biopsy can also be diagnosed. First, transbronchial lung biopsy with X-ray chest to determine the lesion site, fiber bronchoscopy. Direct visualization of the endobronchial lesions can be obtained by forceps, curettes, and brushing with cells; extrabronchial lesions, mediastinal and hilar shadows, diffuse or peripheral lung lesions that are not visible under direct vision