前列腺癌为老年男性常见疾病。全球范围内,前列腺癌的发病率不断增高,居全球男性癌症发病率的第3位,病死率第6位。在美国前列腺癌的发病率占男性肿瘤第1位,病死率第2位。我国前列腺癌发病率虽远低于西方国家,但近20年来随着人口老龄化及生活条件的改善,发病率逐渐增加,在我国男 Prostate cancer is a common disease in elderly men. Globally, the incidence of prostate cancer continues to rise, ranking 3rd in the global incidence of cancer among men and 6th in mortality. The incidence of prostate cancer in the United States accounted for the first male tumor, the second case fatality rate. Although the incidence of prostate cancer in our country is much lower than that in western countries, the incidence has gradually increased with the aging population and living conditions in the past two decades. In our country,