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A novel meniscofemoral ligament variant intra-substance to the PCL

Abstract

While much detail is known about each anatomic structure of the knee and its contributory effect on biomechanics, our understanding is still evolving. In particular, the function of the meniscofemoral ligaments and their anatomical variants have yet to be fully described. In this report, a never-before-described anatomical meniscofemoral ligament variant intra-substance to the PCL is presented. Arthroscopists should be aware of the novel variant as a growing number of studies have demonstrated the biomechanical importance of the meniscofemoral ligaments in protecting the lateral meniscus and supporting the function of the PCL.

Level of Evidence: IV.

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Abbreviations

MFL:

Meniscofemoral ligament

aMFL:

Anterior meniscofemoral ligament

pMFL:

Posterior meniscofemoral ligament

iMFL:

Internal meniscofemoral ligament

PCL:

Posterior cruciate ligament

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Acknowledgements

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Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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Authors and Affiliations

Authors

Contributions

Jens T. Verhey, BS: Conception and design, acquisition of data, analysis and interpretation of data, drafting and editing of manuscript. David G. Deckey, MD: Conception and design, acquisition of data, analysis and interpretation of data, drafting and editing of manuscript. Sailesh Tummala, MD: Conception and design, acquisition of data, analysis and interpretation of data, drafting and editing of manuscript. Jeffrey D. Hassebrock, MD: Conception and design and drafting and editing of manuscript. Donald Dulle, MS, PA-C: Conception and design and drafting and editing of manuscript. Jeremiah R. Long, MD: Conception and design and drafting and editing of manuscript. Mark D. Miller, MD: Conception and design and drafting and editing of manuscript. Anikar Chhabra, MD: Conception and design, acquisition of data, analysis and interpretation of data, drafting and editing of manuscript.

Corresponding author

Correspondence to Jens T. Verhey.

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Conflict of interest

Jens Verhey, BS: Nothing to disclose. David Deckey, MD: Nothing to disclose. Sailesh Tummala, MD: Nothing to disclose. Jeffrey D. Hassebrock, MD: Nothing to disclose. Donald Dulle, MS, PA-C: Nothing to disclose. Jeremiah R. Long, MD: Nothing to disclose. Mark Miller, MD: Consultant, Arthrex; Royalties, Elsevier/Wolters-Kluwer; Board of Directors AOSSM; nothing to disclose pertinent to this paper. Anikar Chhabra, MD: Consultant and Speakers Bureau, Arthrex; Consultant, Zimmer-Biomet; nothing to disclose pertinent to this paper.

Ethical approval

Institutional review board (IRB) reviewed this study, and it was deemed to be exempt.

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The patient was informed that data concerning the case would be submitted for publication, and they provided consent.

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Verhey, J.T., Deckey, D.G., Tummala, S. et al. A novel meniscofemoral ligament variant intra-substance to the PCL. Knee Surg Sports Traumatol Arthrosc 30, 2277–2280 (2022). https://doi.org/10.1007/s00167-021-06791-6

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  • DOI: https://doi.org/10.1007/s00167-021-06791-6

Keywords

  • Meniscofemoral ligament
  • Posterior cruciate ligament
  • Anatomical variant
  • Wrisberg ligament
  • Humphrey’s Ligament
  • Anterior meniscofemoral ligament
  • Posterior meniscofemoral ligament