Changes in Penile Length After Robot-Assisted Laparoscopic Radical Prostatectomy
2011
Abstract Background and Purpose: Radical prostatectomy is commonly performed for the treatment of patients with prostate cancer. Several studies have demonstrated a reduction in penile size after open radical retropubic prostatectomy. The objective of this study is to describe changes in penile length after after robot-assisted laparoscopic radical prostatectomy (RALRP). Patients and Methods: We performed a randomized, open label, multicenter study in men with normal erectile function who underwent bilateral nerve-sparing radical prostatectomy. We evaluated changes in measured stretched penile length (SPL), a secondary end point of the study, in a subset of men from a single site who underwent RALRP by one surgeon. They were randomized to either intraurethral alprostadil 125 to 250 μg daily or oral sildenafil citrate 50 mg daily for 9 months. SPL was measured from pubic bone to coronal sulcus using a semirigid ruler before surgery and at 1, 3, 6, 9, 10, and 11 months. Results: A total of 127 patients were...
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