良性前列腺增生和前列腺癌在我国低于欧美国家。但我国的发病情况却不清楚,特别是近半个世纪以来的情况。本研究利用流行病学调查、临床观察、组织病 Benign prostatic hyperplasia and prostate cancer in China is lower than in Europe and the United States. However, the incidence of our country is not clear, especially since the last half century. This study used epidemiological investigation, clinical observation, histopathology