前列腺癌(Prostate cancer)在欧美国家是男性第二位高发的恶性肿瘤,死亡率仅次于肺癌,而在国内亦是男性高发恶性肿瘤之一,且其发病率不断上升。前列腺癌提倡早期医治,故早期检测非常重要。然而,目前前列腺特异性抗原(Prostate specific antigen,PSA)、直肠指检(Digital rectal examination,DRE)、经直肠前列腺超 Prostate cancer is the second highest incidence of malignant tumors in men and women in Europe and the United States. Its mortality is second only to that of lung cancer, and it is also one of the most common malignant tumors in the country. The incidence of Prostate cancer is rising. Prostate cancer advocates early treatment, so early detection is very important. However, at present, Prostate specific antigen (PSA), Digital rectal examination (DRE), transrectal prostate ultrasonography