恶性胸膜间皮瘤少见,来源于胸膜间皮细胞的原发肿瘤。近几十年来间皮瘤的病发率有增多趋势、据国内报道病发率为0.02～0.4％。恶性胸膜间皮瘤病发率为0.04％。易误诊。现将我科于1983～1989年收治恶性胸膜间皮瘤11例报告如下:1 临床资料1.1 一般情况本组男6例,女5例,年龄29～65岁(平均46岁)。3例有石棉密切接触史,3例石棉间接接触史。1.2 临床表现胸痛11/11例,咳嗽6/11例,气急8/11例,低热3/11例,胸水8例。其中血性胸水5例。X线表现单纯胸水征6例;左侧5例,右侧1例。局限性胸膜肿块影3例,弥漫性胸膜块厚及胸膜包裹性积液各1例。其中2例CT扫 Malignant pleural mesothelioma is rare and originates from the primary tumor of the pleural mesothelial cells. In recent decades, the incidence rate of mesothelioma has increased. According to domestic reports, the incidence of dermatosis is 0.02 to 0.4%. The incidence of malignant pleural mesothelioma was 0.04%. Misdiagnosed. Now in our department from 1983 to 1989, 11 cases of malignant pleural mesothelioma were reported as follows: 1 Clinical data 1.1 The general situation of this group of 6 males and 5 females, aged 29 to 65 years (mean 46 years). Three patients had asbestos intimate contact history and three had asbestos indirect contact history. 1.2 The clinical manifestations of chest pain 11/11 cases, cough 6/11 cases, shortness of breath 8/11 cases, fever 3/11 cases, pleural effusion in 8 cases. Among them, 5 cases of bloody pleural effusion. X-ray findings showed 6 cases of pure pleural effusion; 5 cases were left and 1 case was right. There were 3 cases of localized pleural masses, 1 of diffuse pleural thickness and pleural effusion. Two of the CT scans