胸膜间皮瘤少见,近年我科手术治疗5例,现报告如下。例1 女,28岁,纱厂工人。二年前右胸痛,伴低热,经多次X线检查,先后诊断为球型肺炎,肺结核球,但治疗无效。胸痛加重,再次摄片示右下肺球块比前略增,边缘光整,密度均匀,无毛刺,亦无向心性凹陷,周围肺野清晰,无卫星病灶。体检无异常发现。手术见右下肺叶背段肿物,界清,直径2cm,肺门淋巴结不肿大,作右下肺 Pleural mesothelioma is rare. In recent years, 5 cases have been treated surgically in our department. The report is as follows. Example 1 Female, 28 years old, mill worker. Two years ago, right chest pain, with low fever, after multiple X-ray examinations, had been diagnosed as spherical pneumonia, pulmonary tuberculosis, but the treatment was ineffective. The chest pain worsened. The second photo showed that the right lower lung block slightly increased compared with the previous one. The edge was smooth, with uniform density, no burr, and no concentric depression. The surrounding lung fields were clear and there was no satellite lesion. There was no abnormal physical examination. The operation saw the right lower lobe dorsal tumor mass, clear border, diameter 2cm, hilar lymph node is not swollen, as the right lower lung