Meniscal extrusion: Proposal for a novel qualitative classification
2025

Meniscal Extrusion: A New Way to Classify It

publication Evidence: moderate

Author Information

Author(s): Simone Perelli, Pietro Conte, Nicola Pizza, Rodolfo Morales‐Avalos, Elizaveta Kon, Alberto Grassi, Stefano Zaffagnini, Joan Carles Monllau

Primary Institution: Institut Català de Traumatologia i Medicina de l'Esport (ICATME)‐Hospital Universitari Dexeus Universitat Autònoma de Barcelona

Hypothesis

Can meniscal extrusion be classified qualitatively rather than quantitatively?

Conclusion

A new qualitative classification for meniscal extrusion has been proposed to better reflect its clinical significance.

Supporting Evidence

  • Meniscal extrusion can indicate knee degeneration.
  • Current classifications are mainly quantitative and may not capture the clinical context.
  • A qualitative classification could improve clinical management of meniscal extrusion.

Takeaway

Meniscal extrusion is when the meniscus moves out of place in the knee, and this study suggests a new way to classify it based on the situation rather than just measurements.

Methodology

A comprehensive literature review was conducted to propose a qualitative classification of meniscal extrusion.

Limitations

The study does not provide specific treatment protocols for each type of meniscal extrusion.

Digital Object Identifier (DOI)

10.1002/jeo2.70126

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