在西方国家,前列腺癌已成为男性最常见的肿瘤,尽管确切病因还不清楚,但有调查表明前列腺癌有种族差异,如非洲裔美洲人和斯堪的纳维亚人更易患前列腺癌。对于那些早年即有性活动的男子似乎也易患本病。饮食(比如摄入高脂肪)、吸烟、暴露在重金属环境下和精索切除等因素是否与前列腺癌发生有关正在研究之中。虽然局限性前列腺癌可行根治性前列腺切除术或放射治疗,但67%的患者于 In western countries, prostate cancer has become the most common tumor in men. Although the exact etiology is unclear, there are surveys that show racial differences in prostate cancer such as African Americans and Scandinavians are more susceptible to prostate cancer. For those who have sexual activity in the early years of men seem to be predisposed to this disease. Research into whether factors such as diet (such as high fat intake), smoking, exposure to heavy metals, and spermatic cord resection have been studied. Although localized prostate cancer may be treated by radical prostatectomy or radiation therapy, 67% of patients