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Labioscrotal island flap in feminizing genitoplasty
Márcio Lopes Miranda1, Antônio Gonçalves de Oliveira-Filho, Sofia Helena V Lemos-Marini
1Division of Pediatric Surgery and Pediatric Endocrinology, State University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil.
Journal of Pediatric Surgery
|June 24, 2004
Summary
This study presents a modified island flap technique for introitoplasty in girls with congenital adrenal hyperplasia (CAH) to prevent vaginal introitus stenosis. The novel approach ensures flap integration and avoids donor site scarring, improving surgical outcomes.
Area of Science:
- Surgical reconstruction techniques
- Pediatric urology and endocrinology
- Genital ambiguity management
Background:
- Vaginal introitus stenosis is a common complication following genital reconstruction for ambiguous genitalia in congenital adrenal hyperplasia (CAH).
- Current surgical methods for introitoplasty may lead to complications such as stenosis and scarring.
Purpose of the Study:
- To present a modified introitoplasty technique using a bilateral cutaneous island flap.
- To enlarge the vaginal introitus and prevent post-operative stenosis.
- To evaluate the feasibility and outcomes of this modified surgical approach.
Main Methods:
- Eleven girls with CAH and Prader III-V genital ambiguity underwent feminizing genitoplasty in a single stage.
- A bilateral cutaneous labioescrotal island flap, based on the posterior labial artery, was incorporated into the introitoplasty.
- Cosmetic outcomes were assessed via photographic analysis of the external genitalia.
Main Results:
- The modified island flap technique demonstrated excellent integration.
- The integrity of the vaginal introitus was maintained in all patients.
- No additional scarring was observed in the donor areas.
Conclusions:
- The modified island flap technique is technically feasible and reproducible for introitoplasty in CAH patients.
- This method utilizes readily available perineal skin, avoiding the need for grafts from adjacent areas.
- The procedure offers a valuable adjunct to existing introitoplasty techniques, minimizing complications and improving aesthetic results.