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The Natural History of Penile Length After Radical Prostatectomy: A Long-term Prospective Study

2012; Elsevier BV; Volume: 80; Issue: 6 Linguagem: Inglês

10.1016/j.urology.2012.07.060

1527-9995

Juliana S. P. Vasconcelos, Rui Teófilo Figueiredo, Fabio Luis Branco Nascimento, Ronaldo Damião, Eloísio Alexsandro da Silva,

Urologic and reproductive health conditions

Objective To describe the penile length after radical prostatectomy (RP) in a long-term follow-up. Materials and Methods We evaluated prospectively the penile length of 105 patients with localized prostate cancer treated by open RP. Participants using therapy for penile rehabilitation were excluded from statistical analysis. Measurements of the stretched penis were taken preoperatively and at 3, 6, 12, 24, 36, 48, and 60 months postoperatively. The International Index of Erectile Function-Erectile Function (IIEF-EF) questionnaire was used to evaluate erectile function. The penile anthropometric measure used was the stretched length of the flaccid penis, from the pubopenile skin angle to the end of the glans, after the prepubic fat was depressed under maximum manual traction. Results The mean stretched penile length 3 months after RP decreased an average of 1 cm from baseline ( P <.001). This mean difference persisted until 24 months. At 36 months, the penile length differed 0.6 cm. At 48 months (−0.3 cm) and 60 months (+0.4 cm), the mean differences in penile length before and after RP were not significant ( P = .080 and P = .065, respectively). Erectile function was a predictor for early return of penile length. Conclusion Nearly 1 cm of penile shortening after RP may be expected up to 12 months. However, a trend toward recovery of penile length occurs after 24 months of follow-up and is completely re-established after 48 months. The preserved erectile function after RP is a predictor for penile length recovery.