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如何准确地诊断前列腺癌的癌变程度．一直是困扰临床医师的重要问题。本文介绍了目前在国际上尚处于研究阶段的新的分子生物学检测方法。即用RT－PCR技术，在患者外周血中检测前列腺特异性抗原的mRNA，以监测前列腺癌细胞的微小转移。
How to accurately diagnose the degree of canceration of prostate cancer. It has always been an important issue for clinicians. This article presents a new molecular biology method that is currently in the research stage in the world. That is, the mRNA of prostate specific antigen was detected in peripheral blood of patients by RT-PCR to monitor the minute metastasis of prostate cancer cells.