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癌症比率的诊断准确性和其他新参数,用于区分恶性和良性多流的诊断准确性
Narendra Kumar Narahari1, Nandini Ravula1, Rakesh Kodati1
1Department of Pulmonary Medicine, Nizam's Institute of Medical Sciences, Hyderabad.
pleural fluid adenosine deaminase (pADA) 的年龄比率和癌症比率 (CR) 在区分恶性 pleural 溢出和良性溢出方面显示出高准确性. 这些生物标志物为临床诊断提供了一种有希望的,敏感的和特定的方法.
科学领域:
- 肺部医学 肺部医学
- 在瘤学瘤学.
- 诊断生物标志物 诊断生物标志物
背景情况:
- 由于细胞学分析的局限性,区分恶性和良性外泄是临床上具有挑战性的.
- 之前的研究使用了多发性液体生物标志物的组合来预测恶性多发性溢出 (MPE).
- 需要新的生物标志物来提高多流的诊断准确度.
研究的目的:
- 评估新型生物标志物比率的诊断潜力,以区分恶性多叶流液 (MPE) 和良性多叶流液.
- 为了评估癌症比率 (CR),CR加,血清乳酸脱酶 (sLDH) 的疗效:肺部淋巴细胞计数和年龄:pADA.
- 为了比较这些比率的诊断准确性,使用接收器操作特征 (ROC) 曲线.
主要方法:
- 一项前性观察性研究,涉及120名患有排泄性多流的患者.
- 肺液生物标志物比率的计算和比较:CR,CR加,sLDH:淋巴细胞计数,和年龄:pADA.
- 进行ROC曲线分析以确定每个比率的诊断性能.
主要成果:
- 在MPE组中,CR,CR+和年龄:pADA比率明显高于良性溢出组.
- 年龄:pADA比率 (曲线下面积[AUC] 0.99) 和CR (AUC 0.97) 显示出最佳的诊断性能.
- 在截止值为2时,年龄:pADA比率实现了MPE检测96.6%的灵敏度和93.4%的特异性.
结论:
- 年龄:pADA比率和CR是高度敏感和特定的指数,用于区分恶性和良性多流.
- 这些生物标志物比率提供了一个有希望的,非侵入性的工具,以帮助MPE的临床诊断.
- 发现CR plus和sLDH的诊断准确性:淋巴细胞比率低于CR和年龄:pADA.
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