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Published on: September 19, 2015
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Modified palatal flap via soft palate for skull base reconstruction
Rogerio Pezato1,2, Aldo Cassol Stamm2, Andrea Santos Dumont Costacurta3
1Division of Otolaryngology Head and Neck Surgery, University of British Columbia, Vancouver, Canada.
Einstein (Sao Paulo, Brazil)
|May 7, 2025
Summary
This study introduces a new pedicled palatal flap technique for skull defect reconstruction. Cadaveric and CT analysis shows this soft palate flap is a viable option for skull base surgeries.
Area of Science:
- Plastic Surgery
- Head and Neck Surgery
- Craniofacial Reconstruction
Background:
- Vascularized flaps are crucial for reconstructing complex defects.
- Skull base and adjacent region reconstruction presents unique challenges.
- Existing techniques may have limitations in specific anatomical areas.
Purpose of the Study:
- To present a novel technique for skull defect reconstruction using a pedicled palatal flap.
- To evaluate the anatomical viability and measurements of this flap for surgical application.
- To explore its potential use in endonasal and skull base surgeries.
Main Methods:
- Harvesting of the pedicled palatal flap was demonstrated on five preserved cadaveric specimens.
- Measurements including area, perimeter, and dimensions were analyzed from 20 paranasal sinus CT scans.
- The flap's reach to critical anatomical structures was assessed.
Main Results:
- The average flap area was 11.8 cm² in females and 12.7 cm² in males.
- Average perimeters were 13.5 cm (females) and 14.0 cm (males).
- The flap consistently reached the infratemporal fossa and lower clivus in all specimens.
Conclusions:
- The pedicled palatal flap is a metrically viable option for skull base reconstruction.
- This technique shows promise for endonasal surgeries and reconstruction of adjacent regions.
- Cadaveric and tomographic studies support its utility in reconstructive surgery.
