前列腺特异性抗原(PSA)是前列腺上皮细胞的分泌产物,可以迅速水解射精后产生的精液凝块.自1979年Wang等用免疫沉淀法提纯PSA后,PSA得到深入研究和广泛应用,成为肿瘤学和肿瘤标志物研究领域的重大进展,是前列腺癌(CAP)诊断,治疗和随访中最有价值的肿瘤标志物.本文介绍PSA在临床应用的现状.1.血清PSA的正常值瘤标的正常值是在健康人群中测定得到的.PSA是前列腺组织的特异性产物,前列腺感染疾病 Prostate-specific antigen (PSA) is a secreted product of prostate epithelial cells and can rapidly hydrolyze the semen clot produced after ejaculation. Since 1979, Wang et al. used PSA to purify PSA, PSA has been deeply studied and widely used as an oncology. Significant progress in the field of tumor markers and tumor markers is the most valuable tumor marker in the diagnosis, treatment and follow-up of prostate cancer (CAP). This article describes the current status of clinical application of PSA. 1. Normal values ​​of serum PSA tumor markers Is measured in healthy people. PSA is a specific product of prostate tissue, prostate infection disease