前列腺特异性抗原(PSA)检测常规在老年男性人群中被应用,以用来筛查前列腺癌发生的可能。然而随着年龄的增长,这一检查对于那些最终没有发生前列腺癌的老年男性逐渐失去诊断与治疗的价值。Schaeffer Prostate-specific antigen (PSA) testing is routinely used in elderly male populations to screen for the potential for prostate cancer. However, with age, this test gradually lost the value of diagnosis and treatment for elderly men who eventually did not develop prostate cancer. Schaeffer