随着生活水平的提高,人类寿命的延长,人口老龄化增长,前列腺癌的发病率呈上升趋势。但由于前列腺癌早期无明显症状,大部分患者就诊时已属于中晚期,往往失去了最佳的治疗时机,因此早期诊断前列腺癌十分关键。前列腺穿刺活检术是诊断前列腺癌的金标准,但目前经直肠前列腺穿刺活检术在穿刺适应证、穿刺点的数目选择、穿刺后PSA动 With the improvement of living standards, the extension of human life expectancy, population aging, the incidence of prostate cancer is on the rise. However, due to the early symptoms of prostate cancer are not obvious, most patients are already in the advanced stage of treatment, often losing the best timing of treatment, early diagnosis of prostate cancer is critical. Prostate biopsy is the gold standard for the diagnosis of prostate cancer, but the current transrectal prostate biopsy indications in the puncture, the number of puncture point selection, PSA after puncture