纤维支气管镜检查是呼吸系诊疗技术的一大进步。自1967年开始应用,现已积累了较多资料。纤维支气管镜的管径较小,能控制弯曲度,故操作方便,且较易为病人所耐受。纤维支气管镜检查时,视野较广,对于两侧上叶支气管等一般硬支气管镜较难检查的部位,亦能进行系统检查。Kounat等指出,纤维支气管镜能进入所有的三级支气管(段支气管)、74％的四级支气管(亚段支气管)和38％的五级支气管(亚、亚段支气管),并能直接观察所有四级支气管,86％的五级支气管和56％的 Fiberoptic bronchoscopy is a major advancement in respiratory diagnostics. Application since 1967, now accumulated more information. Fiberoptic bronchoscopy smaller diameter, can control the curvature, it is easy to operate, and more easily tolerated by the patient. Fiberoptic bronchoscopy, a wider field of vision, on both sides of the upper bronchus and other hard bronchoscopy is difficult to check the site, but also for systematic examination. Kounat and colleagues point out that fiberoptic bronchoscopy can access all tertiary bronchi (segmental bronchi), 74% of grade 4 bronchial (sub-segmental bronchi) and 38% of grade 5 bronchial (sub-segmental bronchi) and can directly observe all Four bronchus, 86% five bronchus and 56%