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血清PSA与FPSA/TPSA%检测在前列腺疾病鉴别诊断中的应用 被引量:6

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摘要 目的 研究血清游离态前列腺特异性抗原FPSA与总PSA比值(FPSA/TPSA)在前列腺良、恶性疾病鉴别诊断中的应用价值.方法 采用电化学发光法检测68例未经治疗的前列腺癌(PCa)患者、132例良性前列腺疾病(BPH,AP,CP)患者和85例健康者血清中的TPSA和FPSA,并计算FPSA/TPSA比值.结果 以TPSA>4.0 μg/L为临界判断点,对PCa诊断的灵敏度为94.1%,特异度为69.3%;以FPSA/TPSA<0.15作为临界值判断点,对PCa诊断的灵敏度为91.12%,特异度为94.93%.TPSA在4.0~15.0 μg/L时,两组患者TPSA差异无统计学意义(P>0.05),而FPSA/TPSA比值的差异有统计学意义(P<0.01),PCa组显著低于良性前列腺疾病组.结论 以FPSA/TPSA=0.15作为临界值判断点,FPSA/TPSA比值提高了对前列腺良、恶性疾病诊断的特异性,尤其TPSA在4.0~15.0 μg/L范围内更有意义.
作者 潘秋荣
出处 《国际检验医学杂志》 CAS 2010年第9期1016-1017,1037,共3页 International Journal of Laboratory Medicine
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