Brady Urological Institute, Johns Hopkins Medical Institutions, 600 N. Wolfe Street, Baltimore, MD 21231, USA.
Curr Opin Urol. 2010 May;20(3):185-8. doi: 10.1097/MOU.0b013e3283384047.
Prostate cancer is the most common noncutaneous malignancy among men in the USA and is most frequently diagnosed through prostate-specific antigen (PSA)-based screening. Nevertheless, PSA testing has become increasingly controversial. In this review, we will present the evidence supporting the role of PSA in prostate cancer screening.
Numerous studies have shown that the risk of current and future prostate cancer is directly related to the serum PSA level. Moreover, increasing PSA levels predict a greater risk of adverse pathologic features and worse disease-specific survival. Substantial epidemiologic evidence has suggested a reduction in advanced disease and improvements in prostate cancer survival rates since the introduction of PSA-based screening. Recently, evidence from a randomized trial further validated that PSA testing reduces both metastatic disease and prostate cancer-specific mortality.
PSA is a valid marker for prostate cancer and its aggressiveness. Level 1 evidence is now available that PSA-based screening reduces both the rate of metastatic disease and prostate cancer-specific mortality.
前列腺癌是美国男性中最常见的非皮肤恶性肿瘤,最常通过基于前列腺特异性抗原(PSA)的筛查来诊断。然而,PSA 检测越来越受到争议。在这篇综述中,我们将介绍支持 PSA 在前列腺癌筛查中的作用的证据。
许多研究表明,当前和未来前列腺癌的风险与血清 PSA 水平直接相关。此外,PSA 水平的升高预示着更差的病理特征和更差的疾病特异性生存率的风险更大。大量的流行病学证据表明,自 PSA 筛查以来,晚期疾病的发生率降低,前列腺癌生存率得到提高。最近,一项随机试验的证据进一步证实,PSA 检测可降低转移性疾病和前列腺癌特异性死亡率。
PSA 是前列腺癌及其侵袭性的有效标志物。现在有 1 级证据表明,PSA 筛查可降低转移性疾病和前列腺癌特异性死亡率的发生率。