肺部块影形态单凭影像学往往易漏诊或误诊。经纤支镜肺活检对块影定位、定性诊断提供了重要依据。本文总结了经纤支镜肺活检对临床诊断不明的228例肺部块影,89.5%获得明确诊断。 Pulmonary block imaging alone imaging often easy to miss or misdiagnosed. Fiberoptic bronchoscopy biopsy block location, qualitative diagnosis provides an important basis. This article summarizes the bronchoscopic bronchoscopic biopsy of 228 cases of unknown clinical diagnosis of pulmonary block shadow, 89.5% of the clear diagnosis.