Ask An Orthopedist: Medial Meniscal Extrusion

Calendar December 5, 2017

Question: I have Medial Meniscal Extrusion of 4mm. If an extrusion means that the part of the meniscus is sticking out (extruding), is it possible that this extrusion can retreat back to normal if properly cared for?

Meniscal extrusion is almost always associated with degeneration of the meniscus and often some arthritis in the knee. Once the meniscus has degenerated to the point that it allows some extrusion, it is beyond repair. If there is an associated tear of the meniscus, that can be fixed but the extrusion will remain.

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