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Orthopaedics
Proximal tibiofibular joint instability in multiligamentous injury of the knee
  1. Siti Mastura Binte Rahim and
  2. James Sir Young Loh
  1. Orthopaedic Surgery, Changi General Hospital, Singapore
  1. Correspondence to Dr Siti Mastura Binte Rahim; siti.m.rahim{at}gmail.com

Abstract

We present a case of a man in his 40s with a proximal tibiofibular joint dislocation, anterior cruciate ligament (ACL) tear and posterolateral corner (PLC) injury sustained after a cycling accident. Physical examination and MRI confirmed the diagnosis. He was treated with reconstruction of the ACL, PLC and proximal tibiofibular joint. Postoperative treatment included physical therapy to improve knee range of motion and full weight-bearing after 6 weeks. He was able to return to full activities including completing a marathon after 1 year. Identifying proximal tibiofibular joint instability is essential in patients with multiligamentous knee injury as it is often missed. The use of a single tunnel for PLC and proximal tibiofibular joint reconstruction can reduce risk of tunnel convergence.

  • Ligament laxity
  • Knee injuries

https://doi.org/10.1136/bcr-2024-260599

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    Footnotes

    • Contributors SMBR was responsible for drafting of the text, sourcing and editing of clinical images, investigation of the results, drawing original diagrams and algorithms, and critical revision for important intellectual content. JSYL approved the final manuscript.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.