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Growing endoprostheses for primary malignant bone tumors

R M Tillman1, R J Grimer, S R Carter

  • 1Royal Orthopaedic Hospital Oncology Service, Birmingham, United Kingdom.

Seminars in Surgical Oncology
|January 1, 1997
PubMed
Summary

Growing endoprostheses offer a viable limb salvage option for skeletally immature patients with bone tumors. This technique, with a 72% functional score and 11% recurrence rate, successfully maintains limb length.

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Area of Science:

  • Orthopedic Oncology
  • Pediatric Oncology
  • Limb Reconstruction Surgery

Background:

  • Management of primary malignant bone tumors in skeletally immature patients presents challenges.
  • Traditional options include amputation, rotationplasty, and bone grafting.
  • Growing endoprostheses have emerged as a limb salvage alternative.

Observation:

  • This report details twenty years of experience with growing endoprostheses for limb salvage.
  • 123 expanding endoprostheses were implanted in 108 patients.
  • A series of 54 consecutive distal femoral replacements were analyzed.

Findings:

  • The mean functional score for distal femoral replacements was 72%.
  • The local recurrence rate was 11%.
  • The technique effectively maintained limb-length equality.

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Implications:

  • Growing endoprostheses are a successful limb salvage technique in specialized orthopedic oncology centers.
  • Reliable expansion mechanisms are crucial for optimal outcomes.
  • This approach offers a viable alternative to amputation for pediatric bone tumor patients.