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Related Experiment Videos

The Saddle prosthesis in periacetabular tumours.

M V Natarajan1, J C Bose, V Mazhavan

  • 1Department of Orthopaedic Surgery, Government General Hospital, Madras Medical College and Research Institute (DU), Chennai, India. drmayil@bonetumour.org

International Orthopaedics
|June 21, 2001
PubMed
Summary

The Saddle endoprosthesis offers a stable joint for patients with pelvic bone tumors. This study shows good functional outcomes in most patients, with five disease-free survivors.

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Area of Science:

  • Orthopedic surgery
  • Oncology
  • Biomedical engineering

Background:

  • Pelvic bone tumors require complex surgical management.
  • Reconstruction of the pelvis after tumor resection presents significant challenges.
  • The Saddle endoprosthesis is designed for pelvic-femoral articulation.

Purpose of the Study:

  • To evaluate the safety and efficacy of the custom-made Saddle endoprosthesis.
  • To assess functional outcomes in patients undergoing pelvic tumor resection and reconstruction.
  • To report oncological results following the use of this endoprosthesis.

Main Methods:

  • Six patients with malignant or aggressive benign bone tumors of the pelvis underwent resection.
  • Custom-made Saddle endoprostheses were used for reconstruction.

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  • Surgical margins (wide or marginal) were assessed, and patient follow-up ranged from 24 to 41 months.

    • Main Results:

    • All six patients survived the follow-up period.
    • Five patients were disease-free at the end of the study.
    • Excellent or good functional results were achieved in five patients.
    • One patient experienced deep infection and local recurrence, requiring prosthesis removal.

    Conclusions:

    • The Saddle endoprosthesis can provide stable and functional pelvic-femoral articulation after tumor resection.
    • It offers a viable reconstructive option for selected patients with pelvic bone tumors.
    • Careful patient selection and surgical technique are crucial for optimal outcomes.