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前列腺癌是男性常见恶性肿瘤,据统计,前列腺癌发病率在世界范围内位居第二位,其中在欧美国家高居第一位~([1])。前列腺癌发病率有明显的地理和种族差异,欧美国家发病率明显高于亚洲国家。尽管如此,据统计近年来我国前列腺癌发病率明显呈现上升趋势,在北京、上海、广州三城市均已超过男性膀胱癌的发病率,居男性泌尿生殖系肿瘤发病率第一位~([2])。
Prostate cancer is a common malignant tumor in men, according to statistics, the incidence of prostate cancer in the world ranked second, among the highest in Europe and the United States ~ ([1]). The incidence of prostate cancer has obvious geographical and ethnic differences, the incidence in Europe and the United States was significantly higher than in Asian countries. In spite of this, according to the statistics, the incidence of prostate cancer in our country has shown an obvious upward trend in recent years, and the incidence rates of bladder cancer in the three cities of Beijing, Shanghai and Guangzhou have surpassed those of men, ranking the first in terms of the incidence of male genitourinary tumors ]).