病史:患者,女,56岁,于2008年2月初时无明显诱因下出现咳嗽、少量黄痰伴有低热,体温最高37.8℃,出现盗汗现象,活动后胸闷气喘,无胸痛症状。自服感冒药后热退、咳嗽减轻。数天后患者发现少量咯血即在外院就医胸片及胸部CT检查见:两肺弥漫性粟粒样结节影,纵隔和两侧肺门淋巴结肿大 History: The patient, female, 56 years old, had cough with no obvious incentive at the beginning of February, 2008, a small amount of yellow sputum accompanied by fever, body temperature up to 37.8 ℃, night sweats phenomenon, chest tightness and wheezing without chest pain symptoms. After serving cold medicine fever, cough reduced. A few days later, patients found a small amount of hemoptysis that is in the hospital for medical examination chest and chest CT examination: diffuse miliary nodules of both lungs, mediastinal and bilateral hilar lymph nodes