一、概况在欧美国家,前列腺癌(PCa)是50岁以上男子最常见的恶性肿瘤,也是男性癌肿死亡的第二位原因(仅次于肺癌)。因此,应重视PCa的筛查和早期诊断。尽管我国目前PCa发生率远低于欧美国家,但由于对本病的重视程度和防治力度不够,大多数患者出现症状而就诊时已为较晚期,失去了根 First, the general situation In Europe and the United States, prostate cancer (PCa) is the most common malignant tumor in men over the age of 50, is also the second cause of death of cancer in men (second only to lung cancer). Therefore, we should pay attention to the screening and early diagnosis of PCa. Although the current incidence of PCa in our country is much lower than that in Europe and the United States, due to insufficient attention and prevention and control of this disease, most patients have symptoms and have been treated for a later period and lost their roots