前列腺癌是老年性多发性肿瘤。近年来，发病率有上升趋势，在美国已位居男性肿瘤第一位，超过了肺癌[1]。在我国随着社会老龄化的形成，前列腺癌的发生将逐年增多。所以前列腺癌的诊断问题，应引起重视。我们从1981年开始对26例可疑前列腺癌的病人，行细针吸取细胞学检查，并与 Prostate cancer is a senile multiple tumor. In recent years, the incidence has been on the rise. In the United States, it ranks the first among men’s cancers, surpassing that of lung cancer [1]. In our country with the formation of social aging, the incidence of prostate cancer will increase year by year. Therefore, the diagnosis of prostate cancer, should pay attention. We started in 1981 on 26 cases of suspected prostate cancer patients, fine needle aspiration cytology, and with