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    Patella luxation

    Patellar luxation is where the kneecap deviates from the center of the knee. The patella may be able to move in and out of its normal groove in the femur (long bone of the leg) or it may pop out and get stuck in an abnormal position. Patella luxation may be secondary sequelae due to poor conformation of the leg, or it can occur secondary to a traumatic event. This is a common orthopedic disease in small breed dogs, but can happen in large breed dogs and cats as well. Depending on the severity of the luxation surgery may be indicated. Sometimes both patellas are affected.