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对６４例肺疾病患者应用纤支镜选择性支气管造影检查。结果显示肺癌组病变处支气管呈不规形扁平，刀鞘与鼠尾状狭窄，造影缺损、阻塞、管壁僵硬如枯枝状；肺泡癌有肺泡充盈不良，缺损和造影剂不能进入肺泡。肺炎组病变支气管均充盈显影。肺结核组支气管呈变形、扭曲、扩张和狭窄。支气管扩张、肺良性肿瘤、肺结节病，病灶处支气管均清晰显影，部分病例有压迫支气管推移变形，对肺部周围性病变未确诊者进行选择性造影可提高诊断率。
64 cases of lung disease patients with bronchoscopy bronchoscopy. The results showed that the bronchial lesion in lung cancer group showed irregular flattened, scabbard and tail stenosis, angiographic defect, obstruction, wall stiffness such as withered branches; alveolar carcinoma with poor alveolar filling, defect and contrast agent can not enter the alveoli. Bronchial lesions of bronchial hyperplasia were developed. Tuberculosis bronchial deformation, distortion, expansion and stenosis. Bronchiectasis, benign lung tumors, lung sarcoidosis, lesions at the bronchial clear imaging, some cases of oppression bronchus deformation, the diagnosis of peripheral lung lesions were diagnosed without selective diagnosis can improve the diagnostic rate.