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Buttock Reconstruction in Sarcoma Surgery: An Esthetic Sigmoidplasty Closure for Large Circular Defects Using Double

Corné P G Nel1, Mahendra Daya1

  • 1Department of Plastic and Reconstructive Surgery, Inkosi Albert Luthuli Central Hospital, Nelson R. Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa.

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Summary

Sigmoidplasty offers a novel approach to reconstructing large buttock defects after sarcoma surgery, preserving aesthetic features. This technique provides superior outcomes compared to traditional methods, enhancing patient satisfaction.

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Area of Science:

  • Surgical Oncology
  • Plastic and Reconstructive Surgery
  • Sarcoma Treatment

Background:

  • Large buttock defects after sarcoma excision and radiotherapy often require flap surgery for closure.
  • Traditional flap techniques, adapted from pressure sore repairs, can compromise buttock aesthetics.
  • A novel sigmoidplasty technique is presented to address these limitations.

Purpose of the Study:

  • To describe and evaluate a novel sigmoidplasty technique for buttock reconstruction following sarcoma extirpation.
  • To assess the aesthetic and functional outcomes of this reconstructive method.

Main Methods:

  • Retrospective review of 11 buttock sarcoma cases (2009-2014).
  • Focus on 5 cases reconstructed using the sigmoidplasty technique.
  • Evaluation of immediate and long-term outcomes.

Main Results:

  • The sigmoidplasty technique yielded very good immediate outcomes.
  • While buttock volume decreased, shape was generally preserved with minimal contour irregularities.
  • One patient experienced minor deformity due to partial flap loss, successfully managed.

Conclusions:

  • Sigmoidplasty adheres to oncoplastic principles while offering superior aesthetics for buttock reconstruction.
  • This technique is a valuable addition for surgeons managing buttock defects post-sarcoma excision, especially when perforator flaps are not feasible.