Real World Data of Penile Cancer Treatment at a High-Volume Center in South America: Insights and Survival Trends.

OBJECTIVE

To report survival trends and oncological outcomes of penile cancer surgically treated patients, at a high-volume center, treating more than 25 patients each year, in a high incidence country.

METHODS

Clinical charts of all patients that underwent surgical management for penile cancer were reviewed. The primary end points were cancer specific survival (CSS), progression-free survival, and local recurrence free survival. Kaplan-Meier plots were used for survival analyses. Multivariate analysis was performed using cox proportional hazard age-adjusted models to determine the effect of pN, pT, lymphovascular invasion for CSS.

RESULTS

A total of 209 patients were identified, with a median follow up of 96 months (IQR 49-133). Organ-sparing surgerywas performed in 72.7%, 56.9% underwent dynamic sentinel lymph node biopsy, 110 patients underwent inguinal lymph node dissection, and 45 (21.5%) pelvic lymph node dissection. A total of 75 (35.8%) of patients relapsed, median time to relapse of 12 months (IQR 6-25). Overall estimates of CSS showed an 8-year CSS of 68.9%. Eight-year CSS was 90.5% for N0, and 32.8% in pN3 (P <.001). The Cox proportional hazard model showed that pN1-3, pT2-4, lymphovascular invasion and positive dynamic sentinel lymph node biopsy were the variables associated with worse 8-year CSS.

CONCLUSION

To the best of our knowledge, we report one of the largest cohorts on the survival outcomes of penile cancer surgical treatment, in a single institution, over a long period of time, were most patients are referred with high-risk, locally advanced or nodal disease.