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前列腺癌多发生于老年人;世界范围内前列腺癌的发病率差别很大,与地区、种族、内在因素以及周围环境有关。前列腺癌在我国的发病率虽远低于欧美国家,但近二十余年来有增加的趋势。据上海市1963～1965与1972～1979两个阶段的统计,前列腺癌发病率(按1/10万人口)由0.50上升为1.3;北京医科大学泌尿外科研究所1987年报告为2.0。该所分析1951～1984年33年期内所收治前列腺癌病例数的变化;1951～1969与1970～1984两个时期的前列腺癌占住院肿瘤患者的百分率,分别为3.3%与6.7%。此外,前列腺癌初期无症状,较隐蔽;患者就
Prostate cancer occurs more in the elderly; the incidence of prostate cancer in the world varies widely, with the region, race, internal factors and the surrounding environment. Although the incidence of prostate cancer in our country is far lower than that in Europe and the United States, there is an increasing trend in the past two decades. According to statistics of Shanghai from 1963 to 1965 and from 1972 to 1979, the incidence of prostate cancer increased from 0.50 to 1.3 according to 1 in 10 million population. The Urological Research Institute of Beijing Medical University reported 1987 as 2.0. The analysis of the number of cases of prostate cancer treated during the 33-year period from 1951 to 1984 varied from 1951 to 1969 and 1970 to 1984, accounting for 3.3% and 6.7% of the total, respectively. In addition, the initial symptoms of prostate cancer, more hidden; patients