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用酶标法对32例癌性、20例结核性胸腔积液患者胸水CA_(242)进行了测定。结果表明:癌性胸水CA_(242)含量明显高于结核性胸水(P<0.001),如以大于16u/ml为截断点,则32例癌性胸水患者有20例为阳性,其灵敏度为62.5％,特异度为95％,准确度为75％。结果提示:胸水CA_(242)可作为癌性、结核性胸水鉴别的一项可靠指标。
The pleural effusion CA_ (242) in 32 cases of cancerous and 20 cases of tuberculous pleural effusion were determined by ELISA. The results showed that the content of CA 242 in cancerous pleural effusion was significantly higher than that in tuberculous pleural effusion (P <0.001). If the cut-off point was greater than 16u / ml, 20 of cancerous pleural effusion samples were positive and the sensitivity was 62.5 %, Specificity of 95%, accuracy of 75%. The results suggest that pleural effusion CA 242 can be used as a reliable indicator of malignant and tuberculous pleural effusion.