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前列腺特异性抗原检测在前列腺癌诊断中的作用 被引量:2

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摘要 目的探讨前列腺癌集团检诊对临床前列腺癌诊断的影响。方法门诊检查40岁以上男性患者前列腺特异性抗原(PSA)共计400例,活检筛查出前列腺癌病例数,将患者分组进行比较。分别分为前列腺癌组(PCa组),前列腺增生组(BPH组),其他疾病组(对照组)。3组患者采用酶联免疫分析方法(ELISA)检测TPSA,FPSA,FPSA/TPSA和PSAD值分别进行组间对比分析。结果PSA界限值定为4ng/ml时,其诊断前列腺癌的敏感度为90.0%,特异度为53.3%,准确度为68.0%;PSA界限值定为10ng/ml时,敏感度为80.0%,特异度为83.3%,准确度为82.0%。用PSAD诊断前列腺癌,敏感度为85.0%,特异度为86.7%,准确度为86.0%。BPH组与PCa组的FPSA,TPSA水平均明显高于对照组(P<0.01);PCa癌组的FPSA/TPSA值明显小于对照组及前列腺增生组(P<0.01);PCa组PSAD明显大于对照组和BPH组(P<0.01)。结论将PSA与PSAD结合使用,可提高特异度和敏感度。检测FPSA/TPSA和PSAD比单一检测FPSA,TPSA可显著提高对PCa诊断的特异性及符合率,对前列腺体积较大的BPH和PCa患者,检测PSAD更有意义。集团检诊可以真正揭示国人前列腺癌的发病现状,可明显增加临床前列腺癌特别是早期癌的诊断例数,是实现前列腺癌早期诊断与治疗的最佳途径。
出处 《广东医学》 CAS CSCD 北大核心 2006年第2期229-230,共2页 Guangdong Medical Journal
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