Methods Telomerase activity and CYFRA21 1 from pleural effusion of 31 lung cancer cases and 33 non malignant pleural effusion cases were detected by PCR ELISA and IRA.

• 方法采用聚合酶链反应 -酶联免疫吸附分析法 (PCR-ELISA)检测胸液端粒酶活性和免疫放射分析法测定胸液 CYFRA2 1-1水平 ,共检测了 3 6例肺癌胸腔积液和 3 3例非恶性胸腔积液。