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, Nicolas 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 different underlying conditions, not just a single measurement.
  • A qualitative classification can help in understanding the clinical implications of meniscal extrusion.
  • Existing classifications are primarily quantitative and may not capture the full clinical context.

Takeaway

Meniscal extrusion is when the meniscus moves out of place in the knee, and this study suggests a new way to understand and classify it based on different conditions instead of just measuring how far it has moved.

Methodology

The study involved a comprehensive review of existing literature and proposed a new qualitative classification for 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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