1病例资料患者男,16岁。主因胸部不适,低热、乏力、纳差,偶有咳嗽、咳少量白痰就诊,胸部CT双肺弥漫粟粒状高密度影,呈典型“三均”表现,右侧少量胸水,纵隔淋巴结肿大(图1),初诊血行播散型肺结核住院治疗。查体:T38℃,发育正常,慢性病容,全身浅表淋巴结无肿大,胸廓对称,双肺叩清 1 case data patient male, 16 years old. Mainly due to chest discomfort, fever, fatigue, anorexia, occasional cough, cough and a small amount of white sputum treatment, chest CT lungs filled with miliary high density, showed a typical “three were” performance, right side of a small amount of pleural effusion, mediastinal lymph nodes ( Figure 1), initial diagnosis of hematogenous disseminated tuberculosis hospitalization. Physical examination: T38 ℃, normal development, chronic disease, systemic superficial lymph nodes without swelling, thorax symmetry, lung clearance