通过前列腺特异性抗原的基因位点 ,抗原表达 ,血中存在形式的基础研究 ,来阐明前列腺特异性抗原各检测指标的临床意义及”灰色区间”的处理方法 ,同时对标本的采集 ,各诊断价值以予客观评述 ,提高前列腺特异性抗原的临床应用 Through the prostate specific antigen gene locus, antigen expression, blood form of basic research to clarify the clinical significance of the detection of prostate specific antigen and “gray interval” approach, while the collection of specimens, the diagnosis To objectively evaluate the value and improve the clinical application of prostate-specific antigen