Radical cystectomy is the most effective therapeutic approach for patients with muscle-invasive bladder cancer. Due to the incidence of sexual and continence complications associated with this procedure, alternative techniques such as cystectomy with partial prostatectomy have been described in selected cases in order to reduce complications. To evaluate the possible oncological risks of prostate-sparing cystectomy, and to determine the associated pathological findings in the prostate for patients with invasive bladder cancer treated by radical cystoprostatectomy.