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Related Experiment Video

Updated: Apr 12, 2026

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A new technique using mesh for extensor reconstruction after proximal tibial resection.

Jiro Ichikawa1, Seiichi Matsumoto1, Takashi Shimoji1

  • 1Department of Orthopaedic Surgery, Cancer Institute Hospital for Japanese Foundation for Cancer Research, Japan.

The Knee
|May 25, 2015
PubMed
Summary

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A novel mesh technique for extensor reconstruction after proximal tibial resection significantly reduces extensor lag. This method proves simple, reliable, and successful for patients undergoing tumor resection and prosthetic reconstruction.

Area of Science:

  • Orthopedic Surgery
  • Oncology
  • Biomaterials Engineering

Background:

  • Proximal tibial resection for tumors poses challenges in patellar tendon reconstruction and infection risk.
  • Developing effective extensor mechanism reconstruction is crucial for functional outcomes.

Purpose of the Study:

  • To evaluate the efficacy of a new mesh technique for extensor reconstruction in proximal tibial tumor resections.
  • To assess functional outcomes and complications associated with this novel approach.

Main Methods:

  • Retrospective review of nine patients undergoing proximal tibial resection with prosthetic reconstruction and mesh-based extensor reconstruction (2009-2012).
  • Surgical technique involved mesh attachment to the tibial component, patellar looping, and gastrocnemius flap coverage.
Keywords:
Bone tumorEndoprosthesisExtensor mechanismMeshProximal tibia

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Main Results:

  • Eight of nine patients were followed for a mean of 33 months, with one amputation due to infection.
  • Mean extensor lag was 5°, mean active flexion was 96.25°, and mean ISOLS score was 21/30.
  • All functional patients ambulated without crutches, demonstrating good functional recovery.

Conclusions:

  • The mesh technique for extensor reconstruction is a simple, reliable, and successful method.
  • Significantly reduced extensor lag compared to previous reports.
  • Low complication rate observed in the majority of patients.