病例资料男73岁。因自发性气胸、肺压缩约90%,收住院。既往有慢性支气管炎并肺气肿病史。经胸腔闭式引流后好转复查CT,CT平扫右肺下叶外基底段见一4.0cm×2.0cm×1.8cm大小的类圆形软组织肿块,CT约43 Hu,周围肺组织光整,相邻肺组织见渗出灶,肿块有深分叶,内见点状低密度影。后转至上级医院诊治,CT增强扫 Case information Male 73 years old. Due to spontaneous pneumothorax, pulmonary compression of about 90%, admitted to hospital. Past history of chronic bronchitis and emphysema. CT scan, CT plain scan of the basal segment of the right lower lobe see a 4.0cm × 2.0cm × 1.8cm size of round soft tissue mass, CT about 43 Hu, around the lung tissue, the whole phase See oozing lung tissue adjacent to the lungs, the tumor has deep leaves, see point-like low-density shadow. After the transfer to superior hospital diagnosis and treatment, CT enhanced scan