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本文采用免疫放射分析（IRMA）分别测定了肺结核、肺癌患者的血清和胸水中的CYFRA21-1并进行了分组比较,以探讨CYFRA21-1在肺结核与肺癌患者诊断的临床意义。 对象和方法 一、对象:本院住院肺结核患者29例,肺癌患者38例,都经临床检验、病理检查确诊。 采用患者空腹血,经离心分离血清-20℃保存。患者抽出胸腔积液,离心取上清液-20℃保存。 血清和胸水对照为同一患者。 二、方法:采用天津新传生物技术有限公司提供的CYFRA21-1试剂盒（血清正常值为3.3ng/ml）,经中国计量监测研究所生产的FMJ-γ全自动计数器测定,配备计算机和打印机。
In this paper, immunofluorescence analysis (IRMA) were measured in patients with tuberculosis, lung cancer serum and pleural fluid CYFRA21-1 and were compared in groups to investigate CYFRA21-1 in the diagnosis of pulmonary tuberculosis and lung cancer patients with clinical significance. Objects and methods First, the object: In our hospital, 29 cases of tuberculosis patients, 38 patients with lung cancer, are clinically tested, pathological examination confirmed. Fasting blood using patients, centrifuged serum -20 ℃ preservation. Patients with pleural effusion, the supernatant was centrifuged -20 ℃ preservation. Serum and pleural effusion control for the same patient. Methods: Using CYFRA21-1 kit (serum normal value is 3.3ng / ml) provided by Tianjin Xinchuan Biotechnology Co., Ltd., the FMJ-γ automatic counter produced by China Institute of Metrology and Measurement was equipped with computers and printers .