CA_(50)抗原是一种新的肿瘤标志物,在恶性肿瘤诊断和监测中的应用日益引起学者们的关注。本文采用CA_(50)免疫放射分析法(Immunoradiometric assy,IRMA)测定7种癌症患者血清中CA_(50)的水平,并探讨临床应用的诊断价值。 1 材料和方法 1.1 研究对象 73例本院工作人员和健康志愿者中男性44例,平均年龄44.8岁,女性29例,平均年龄41.5岁,作为正常对照。 The CA50 antigen is a new tumor marker. The application of the tumor antigen in the diagnosis and monitoring of malignant tumors has increasingly attracted the attention of scholars. In this study, the CA 50 (50) immunoradiometric assay (Immunoradiometric assy, ​​IRMA) was used to determine the serum CA 50 levels in 7 cancer patients, and to explore the diagnostic value of clinical application. 1 Materials and Methods 1.1 Subjects 73 cases of male workers and healthy volunteers in the hospital 44 cases, the average age of 44.8 years, 29 cases of females, the average age of 41.5 years, as a normal control.