胸膜间皮瘤临床少见，我们自１９８４年～１９９６年１１月共收治３例，现报告如下。例１　男，５５岁。因右胸及右肩部间歇性疼痛１年余，咳嗽、憋喘半年于１９８４年５月２３日入院。曾在当地医院诊为胸膜炎，治疗无好转，来我院拍胸片为周围性肺癌，肺穿刺涂片细胞学检查为 Pleural mesothelioma is rare in clinical practice. We have treated 3 cases from 1984 to November 1996. The report is as follows. Example 1 Male, 55 years old. Due to intermittent pain in the right chest and right shoulder for more than one year, coughing and wheezing were admitted to hospital on May 23, 1984. He had been diagnosed with pleurisy at the local hospital. No improvement in treatment. Her chest radiograph was taken as peripheral lung cancer. Pulmonary puncture smear cytology was