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本文对12例肺癌合并胸腔积液及12例结核性渗出性胸膜炎患者进行了胸水及血浆癌胚抗原(CEA)测定,结果显示肺癌患者胸水及血浆CEA均显著高于结核性胸膜炎患者(P<0.01)。肺癌患者中多数(8/12)胸水CEA>20ng/ml,虽有4例患者胸水CEA<10ng/ml,但其胸水CEA为血浆CEA的两倍或以上,提示测定胸水CEA及其与血浆CEA的比值有助于鉴别良恶性胸腔积液。
In this paper, pleural effusion and plasma carcinoembryonic antigen (CEA) were measured in 12 patients with lung cancer complicated with pleural effusion and 12 patients with tuberculous exudative pleurisy. The results showed that the CEA of pleural effusion and plasma in patients with lung cancer were significantly higher than those in patients with tuberculous pleurisy (P <0.01). The majority of patients with lung cancer (8/12) had pleural effusion CEA> 20ng / ml. Although 4 patients had pleural effusion CEA <10ng / ml, CEA of pleural effusion was twice or more than that of plasma CEA, which suggested that CEA of pleural effusion and its correlation with plasma CEA The ratio helps identify benign and malignant pleural effusions.