The incidence and mortality of prostate cancer are much more common in older men with an average age of 66 years at the time of diagnosis [26]. In our study, most of the patients were between 51 and 60 years of age; the average age and PSA were 50.28±9.93 years and 7.23±1.64 mg/ml. This evidence concerns the gene KLK3 and prostate cancer.