My vet says my dog has a knee luxation. What does that mean?

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My vet says my dog has a knee luxation. What does that mean?

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Hi – thanks for your email. A knee luxation is a condition in which the patella (knee-cap) no longer glides within its natural groove (sulcus) in the femur, the upper bone of the knee joint. It becomes displaced to the inside or outside of the joint and can be partial or complete, intermittent or permanent. When it is displaced to the inside, it is called "Medial Patellar Luxation (MPL)" and when it is displaced to the outside, it is called "Lateral Patellar Luxation (LPL)".

MPL is more common and can occur as a result of trauma or develop during the first year of an animal's life. It can occur in a wide variety of breeds but is most common in small breed dogs.

 

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