摘要: Prostate cancer is a significant public health problem. There are 10 000 cases per year in England and Wales, 8000 deaths1. In the USA, it most common malignancy second cause of deaths2, with 132000 34000 deaths2. Furthermore, incidence increasing by 10–20% every 5 years4. Conversely, histological evidence asymptomatic prostate found frequently at autopsy5. Therefore, seems that large proportion men harbour disease which will remain asymptomatic, whilst, others, progresses to substantial morbidity mortality. One main goals research into genetics identify those lesions progress clinically disease.