病例:男,6岁。一年前因轻咳3周,间歇性痰中带血2次伴发热1天,X线胸片发现右肺上叶中带密度增高阴影,收住我院儿科。查血常规、血沉正常,OT试验阴性。以右上肺炎住院,经抗菌素治疗2周热退咳止出院。后于某儿童医院诊为结核,抗痨治疗半年,病灶阴影无改变。做胸部CT检查经北京、西安三所大医院会诊诊断:①炎性假瘤;②先天性肺囊肿? Case: male, 6 years old. A year ago due to light cough for 3 weeks, intermittent sputum with blood 2 times with fever for 1 day, X-ray showed upper lobe of the upper lobe with increased density shadow, admitted to our hospital pediatric. Blood tests, ESR normal, OT test negative. To the right upper respiratory tract hospitalization, the antibiotic treatment 2 weeks fever cough stop discharge. After a child’s hospital diagnosed as tuberculosis, anti-tuberculosis treatment for six months, no change in the shadow of the lesion. Chest CT examination done by the Beijing, Xi’an, three major hospitals diagnosed: ① inflammatory pseudotumor; ② congenital pulmonary cysts?