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

A novel qualitative classification for meniscal extrusion is proposed to better understand its clinical implications.

Conclusion

The study proposes a new qualitative classification for meniscal extrusion that considers different clinical scenarios and management strategies.

Supporting Evidence

  • Meniscal extrusion can be caused by various conditions, including acute tears and chronic degeneration.
  • Current classifications of meniscal extrusion are primarily quantitative and do not consider the clinical context.
  • The proposed classification differentiates between paraphysiological, pathological, and degenerative 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 to help doctors decide how to treat it.

Methodology

The authors conducted a comprehensive literature review and proposed a qualitative classification based on clinical scenarios.

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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