纤支镜检查对哪些临床及 X 线检查提示活动性肺结核但痰菌检查结果阴性的病例具有重要的诊断价值。本文报告2例,虽经纤支镜(包括病灶部位生理盐水冲洗后细菌学)检查后获得确诊,但也导致了肺结核病灶的明显恶化。例1 43岁男性。主诉咳嗽咯痰及右侧胸痛。有与肺结核患者密切接触史,X 线示右上肺多个不规则病灶,结核菌素试验阳性,但痰培养无抗酸杆菌生 Fiberoptic bronchoscopy for which clinical and X-ray examination prompted active tuberculosis, but sputum negative test results have important diagnostic value. Two cases reported in this paper, although diagnosed by fiberoptic bronchoscopy (including bacteriological examination after physiological saline washing of the lesion site), also led to significant deterioration of pulmonary tuberculosis. Example 1 43-year-old man. Chief complaint cough expectoration and right chest pain. Have close contact with patients with tuberculosis history, X-ray showed a number of irregular upper right lung lesions, tuberculin test was positive, but no sputum acid-fast bacilli