Methods: The objects consisted of 57 patients with malignant pleural effusion and 57 patients with tuberculous effusion. CEA mRNA,TA and TB DNA were detected by PCR and ADA was detected by terminal reaction of enzymology.

• 方法:对114例恶性胸水(恶性组)和结核性胸水(结核组)患者以采集胸水为标本,应用PCR技术检测CEA mRNA、TA和TB DNA、酶动力学反应终点法检测ADA。