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Combined Posterolateral Corner and Proximal Tibiofibular Joint Anatomic Reconstruction: A Surgical Strategy for
Javier Faus-Cotino1,2, Isabel Andia2, Aingeru Sarriugarte Lasarte3,4,5
1Department of Traumatology and Orthopedic Surgery, Cruces University Hospital, Barakaldo, Spain.
Orthopaedic Surgery
|August 12, 2026
Summary
This study presents a new surgical technique for simultaneously stabilizing the posterolateral corner (PLC) and proximal tibiofibular joint (PTFJ) injuries. This method provides a stable foundation for complex knee reconstructions.
Area of Science:
- Orthopedic Surgery
- Knee Biomechanics
- Ligament Reconstruction
Background:
- Concomitant injuries to the posterolateral corner (PLC) and proximal tibiofibular joint (PTFJ) present a complex surgical challenge.
- Existing treatments lack standardization, and untreated PTFJ instability can negatively impact PLC reconstruction outcomes.
Purpose of the Study:
- To describe a novel surgical technique for simultaneous stabilization of the PLC and PTFJ in cases of combined injury.
- To provide a standardized approach for complex knee injuries involving both PLC and PTFJ.
Main Methods:
- Anatomical ligament reconstruction of the PLC and PTFJ using two tendon autografts on a cadaveric specimen.
- Utilized anatomical landmarks for precise tunnel placement and graft passage.
- Implemented sequential graft fixation with independent tensioning at specific knee flexion angles.
Main Results:
- The technique successfully achieved an anatomical reconstruction of both the PLC and PTFJ.
- Reconstruction of the PTFJ provided a stable fibular head base, improving PLC reconstruction reliability.
- Independent graft fixation allowed for controlled tensioning aligned with biomechanical principles.
Conclusions:
- A described anatomical technique offers a solution for combined PLC and PTFJ stabilization in complex knee injuries.
- This technique provides a basis for future biomechanical and clinical research in treating these complex injuries.
