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对14例血清前列腺特异性抗原（PSA）值＞10ng／ml的良性前列腺增生症（BPH）患者（BPH组）及12例前列腺癌（PC）患者（PC组）进行了术前PSA及前列腺特异性抗原密度（DPSA）测定。结果BPH织PSA值为29.61±15．89ng／ml，DPSA值为0．60±0．36；PC组PSA值为85．89±53．76ng／ml，DPSA值为1．93±1．31，两组间PSA及DPSA。均有统计学差异（P＜0．002）。认为当血清PSA力10ng／ml时．PSA几乎不能区分BPH和PC，而DPSA以0．7为标准值时，其诊断价值则明显优于PSA。同时分析厂造成BPH者PSA值＞10ng／ml的可能原因。
Preoperative PSA and prostate specificities were performed in 14 patients with benign prostatic hyperplasia (BPH) and 12 patients with prostate cancer (PC) with serum prostate specific antigen (PSA)> 10 ng / ml Sex antigen density (DPSA) assay. Results The PSA value of BPH was 29.61 ± 15.89ng / ml, the DPSA value was 0.60 ± 0.36; the PSA value of PC group was 85.89 ± 53.76ng / ml, the DPSA value was 1.93 ± 1.31 , PSA and DPSA between the two groups. There was statistical difference (P <0.002). When serum PSA power 10ng / ml. PSA is almost indistinguishable from BPH and PC, whereas DPSA has a significantly better diagnostic value than PSA at 0.7. At the same time, the possible causes of PSA> 10ng / ml in BPH patients were analyzed.