Inverted urethral flap reconstruction after partial penectomy: Long-term oncological and functional outcomes.

Penile aesthetics after partial penectomy (PP) for penile cancer (PC), significantly affect a patient's health-related quality of life (HRQoL), self-esteem, and sexual function. Satisfactory reconstruction has become a major milestone in the treatment of these patients. Clinical charts of all patients that underwent PP and reconstruction with an inverted urethral flap (IUF) were reviewed. The primary endpoints were recurrence-free survival (RFS), overall survival (OS), and progression-free survival (PFS) which were graphically represented by Kaplan-Meier estimates. The key secondary endpoints were Health-related quality of life (HRQoL), erectile function, and lower urinary tract symptoms. Between May 2007 and December 2019, 74 patients with PC underwent PP and IUF reconstruction. The median age was 62 years (IQR 52-76), median follow-up was 72 months (IQR 38-121). Twenty-nine patients (39.2%) underwent inguinal lymph node dissection, 62 (83.8%) underwent dynamic sentinel lymph node biopsy. Kaplan-Meier estimates of OS, RFS, and PFS showed a 6-year OS of 86.5%, 6-year RFS of 90.5%, and a 6-year PFS of 85.1%. Regarding functional outcomes, we found a mean global health score of 84.6% ± 10.4 at the EQ-5D-3L-VAS. The mean Voiding score of the ICIQ-MLUTS was 1.7 ± 3.2 and a mean IIEF-5 score of 17.3 ± 7. To the best of our knowledge, we report the largest cohort in the literature of PP with IUF reconstruction. These results are important since early-stage PC is the most common stage at diagnosis. In carefully selected patients' preservation of a longer urethral stump to allow for the inverted flap is safe and does not compromise oncological outcomes while preserving HRQoL.

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