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论前列腺特异性抗原在前列腺癌筛选中的意义

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摘要 目的探讨前列腺特异性抗原在前列腺癌诊断中的敏感性和特异性,为临床前列腺癌筛选提供一定的理论基础。方法收集病例150例分为2组,前列腺癌100钒;前列腺增生与肥大50例,另取正常人50例为阴性对照,总计200例。然后分别对他们采取血液进行前列腺特异性抗原(PSA)和酸性磷酸酶(ACP)水平的定量检测,研究其阳性率、敏感性和特异性。结果阳性率:PSA为93.4%,ACP为12%;敏感性:PSA为100%,ACP为10%;特异性:PSA为93.4%,ACP为12%。正常对照组血清前列腺特异性抗原含量为(1.59±0.93)μg/L;前列腺癌组血清前列腺特异性抗原含量为(72.34±69.87)μg/L,阳性率93.4%,与正常对照组比较,差异有统计学意义(P〈0.01);良性组血清前列腺特异性抗原含量为(3.47±2.37)μg/L,阳性率23.7%,与正常对照比较,轻度增高,但无统计学意义,而与前列腺癌组比较差异有统计学意义(P〈0.01)。结论前列腺特异性抗原在前列腺癌的诊断中发挥着极其重要的作用,但其诊断的特异性还有待于进一步提高。
出处 《医学检验与临床》 2012年第2期71-72,共2页 Medical Laboratory Science and Clinics
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