Re: A Prospective, Blinded Comparison of Magnetic Resonance (MR) Imaging-Ultrasound Fusion and Visual Estimation in the Performance of MR-targeted Prostate Biopsy: The PROFUS Trial

secondary to nerve-sparing radical retropubic prostatectomy. Rev Urol 2005;7(Suppl 2):S33–8. [4] Zelefsky MJ, Shasha D, Branco RD, et al. Prophylactic sildenafil citrate improves selected aspects of sexual function in men treated by radiotherapy for prostate cancer. J Urol. In press. http://dx.doi. org/10.1016/j.juro.2014.02.097. [5] SandaMG, Dunn RL, Michalski J, et al. Quality of life and satisfaction with outcome among prostate-cancer survivors. N Engl J Med 2008; 358:1250–61. Gavin M. Langille, Jason R. Kovac, Ranjith Ramasamy, James M. Dupree, Larry I. Lipshultz* Department of Urology, Baylor College of Medicine, Houston, TX, USA