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早期前列腺癌抗原的研究现状 被引量:1

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摘要 过去一直采用前列腺特异性抗原(PSA)来诊断前列腺癌,但前列腺其他疾患(如良性前列腺增生、前列腺炎等)亦可有PSA升高,使得PSA的特异性稍显不足,存在所谓的灰色区域。早期前列腺癌抗原(early prostate cancer antigen,EPCA)是近两年来所发现的一个与前列腺癌相关的肿瘤标志物。目前认为,早期前列腺癌抗原是一种与前列腺癌相关的核基质蛋白,人们已经发现在多种组织的癌变过程中有核基质蛋白的改变。美国约翰霍普金斯大学的研究表明,血清EPCA检测前列腺癌不仅具有较高的敏感性和特异性,还对前列腺局限性病变和浸润性病变的鉴别精确度高,此指标明显优于传统PSA筛查。
出处 《中国现代医生》 2010年第14期22-23,26,共3页 China Modern Doctor
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