| Summary: | Vulvar cancer with distal urethral involvement requires radical surgery that can severely impact urinary function and quality of life. Urethral neomeatus reconstruction therefore, represents a critical yet underexplored challenge in gynecologic oncology. We report a novel vaginal “tunnel flap” technique designed to recreate a functional urethral outlet after radical vulvectomy and distal urethrectomy. The flap leverages detailed knowledge of the urethrovaginal septum and its vascular supply to create a well-vascularized mucosal tunnel that reproduces native urethral morphology while minimizing suture line tension and the risk of postoperative stenosis. In the presented case report, despite early wound-healing complications, suprapubic urinary diversion enabled complete recovery. Long-term follow-up showed sustained oncologic control, excellent urinary function, preserved sexual activity, and satisfactory aesthetic results. This report highlights the role of precise surgical anatomy in optimizing reconstructive outcomes and proposes a reproducible technique that balances oncologic safety with functional and aesthetic preservation.
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