患者男性,4 1岁。因反复咳嗽、咳痰3个月入院。患者3个月前无明显诱因下出现咳嗽,咳白痰,偶感胸痛、气急。无发热、无喘鸣、无咯血,无体重减轻。2 0 0 2年11月2 6日曾在外院行胸部CT检查示:右肺下叶背段多个结节及斑片状影(图1)。拟诊“肺结核”,予三联抗结核(异烟肼、利福平、 Patient male, 4 1 year old. Due to repeated cough, expectoration 3 months admitted to hospital. Patients 3 months ago, no obvious incentive to cough, cough and white sputum, even occasional chest pain, shortness of breath. No fever, no wheezing, no hemoptysis, no weight loss. On November 26, 2002, a CT scan of the chest outside the hospital showed multiple nodules and patchy images of the lower lobe of the right lung (Figure 1). The proposed diagnosis of “tuberculosis” to triple anti-TB (isoniazid, rifampicin,