前列腺增生症(BPH)在西方国家甚为常见,Berry报道50岁以上男性的发病率为50%以上,尸检的发病率更高,40岁为23%,至90岁可达88%。我国BPH的发病率较西方低,但随着人民生活水平的提高,含胆固醇食物增加和寿命的延长,此病的发病率呈上升趋势,由于其为良性病变本身对患者并不 Benign prostatic hyperplasia (BPH) is common in Western countries. Berry reports that the incidence of men over the age of 50 is more than 50%, the incidence of autopsy is higher, from 23% at 40 years of age to 88% at 90 years of age. The incidence of BPH in our country is lower than in the west, but with the improvement of people’s living standards, the increase of cholesterol-containing foods and the prolongation of life span, the incidence of this disease is on the rise. Because of its benign nature itself does not affect the patients