前列腺癌为欧美国家老年男性患者最常见的恶性肿瘤 ,其病死率仅次于肺癌居第二位[1] 。在我国前列腺癌发病率相对较低 ,但随着男性平均寿命的提高 ,临床检查方法的改进 ,其发病率也逐渐增高 ,成为危害老年男性健康的常见恶性肿瘤之一。随着ＭＲＩ新技术的开发应用 ,尤其是ＦＳ Prostate cancer is the most common malignancy in elderly men and women in Europe and the United States, with the second highest mortality rate after lung cancer [1]. In our country, the incidence of prostate cancer is relatively low, but with the improvement of the average life expectancy of men and the improvement of clinical examination methods, the incidence of prostate cancer is also gradually increased, becoming one of the common malignant tumors that endanger the health of elderly men. With the development of new MRI technology applications, especially FS