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A classification system and algorithm for reconstruction of maxillectomy and midfacial defects.

P G Cordeiro1, E Santamaria

  • 1Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA. cordeirp@mskcc.org

Plastic and Reconstructive Surgery
|June 9, 2000
PubMed
Summary

This study introduces a classification system and reconstruction algorithm for complex maxillectomy defects, finding free-tissue transfer, particularly rectus abdominis and radial forearm flaps, to be highly effective for immediate reconstruction.

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Area of Science:

  • Plastic Surgery
  • Oral and Maxillofacial Surgery
  • Head and Neck Surgery

Background:

  • Maxillectomy defects involving critical structures necessitate complex reconstruction.
  • Immediate reconstruction with distant tissues is essential for functional and aesthetic outcomes.

Purpose of the Study:

  • To establish a classification system for maxillectomy defects.
  • To develop an algorithm for the immediate reconstruction of complex maxillectomy defects.
  • To evaluate the outcomes of various flap reconstructions.

Main Methods:

  • A retrospective review of 60 immediate maxillectomy reconstructions over 5 years.
  • Classification of defects into four types (I-IV) based on resection extent.
  • Analysis of flap types (free, pedicled, bone grafts), surgical procedures, and patient outcomes.

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Main Results:

  • Free flaps (rectus abdominis, radial forearm) were used in 91.7% of cases with 100% survival.
  • Functional outcomes showed varied return to diet and speech intelligibility.
  • Aesthetic results were good to excellent in 58% of patients, influenced by the extent of resection.

Conclusions:

  • Free-tissue transfer is the most effective method for immediate reconstruction of complex maxillectomy defects.
  • An algorithm based on defect type guides reconstruction strategy.
  • Rectus abdominis and radial forearm flaps offer reliable aesthetic and functional results.