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采用酶联免疫吸附法检测了１９例结核性和１８例癌性胸膜炎患者血清和胸水中ｓＩＬ－２Ｒ水平。结果：结核组血清ｓＩＬ－２Ｒ（７３９．６±５０３．２ＫＵ／Ｌ）明显高于正常组（２５５．１±９９．７ＫＵ／Ｌ）和癌性组（２１９．６±１８４．６ＫＵ／Ｌ）（Ｐ均＜０．０１），而癌性组与正常组比较差异无显著性意义（Ｐ＞０．０５）；结核组胸水ｓＩＬ－２Ｒ（１５９８．７±１１５３．６ＫＵ／Ｌ）明显高于癌性组（８０４．９±４２６．１ＫＵ／Ｌ）（Ｐ＜０．０１）。若以血清ｓＩＬ－２Ｒ４５５ＫＵ／Ｌ为界限值，则结核组的敏感性６３．２％，特异性为８３．３％；以胸水ｓＩＬ－２Ｒ１２３０ＫＵ／Ｌ为界限值，则结核组的敏感性为６８．４％，特异性８８．９％，提示血清、胸水ｓＩＬ－２Ｒ测定对鉴别这两组胸膜炎有较高的价值，可作为鉴别结核性和癌性胸膜炎的一项检测指标。
Serum and pleural fluid levels of sIL-2R were measured in 19 tuberculous and 18 cancerous pleurisy patients by enzyme-linked immunosorbent assay. Results: Serum sIL-2R (739.6 ± 503.2KU / L) in tuberculosis group was significantly higher than that in normal group (255.1 ± 99.7KU / L) and cancerous group (219.6 ± 184.6KU / L) (P <0.01), while there was no significant difference between the cancerous group and the normal group (P> 0.05). The sIL-2R level in the tuberculosis group was significantly higher than that of the sIL-2R group (1598.7 ± 1153.6KU / L) Cancerous group (804.9 ± 426.1KU / L) (P <0.01). If the serum sIL-2R455KU / L as the limit, the sensitivity of the tuberculosis group was 63.2% and the specificity was 83.3%; the pleural fluid sIL-2R1230KU / L was the threshold value, the sensitivity of the tuberculosis group was 68 .4%, specificity of 88.9%, suggesting that serum, pleural fluid sIL-2R determination of the differential diagnosis of these two groups of pleurisy has a higher value, can be used as a test to identify tuberculous and cancerous pleurisy.