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Osteochondritis dissecans

Osteochondritis dissecans, the detachment of fragments of bone and cartilage into the knee joint, often afflicts young people aged 12–16 years, permanently affecting the articular surface of the femur. The
location of the injury is often obvious. The condition causes the cartilage and bone to disintegrate in an area which may be as large as a hazelnut. Gradually the whole of the altered area or parts of it can break away from the underlying bone and give rise to loose bodies in the joint.The result is locking and recurrent effusions.


The affected athlete may return to sporting activity after the ligament has healed, which may take 3–6 months after the operation, but only after having consulted a doctor. Before returning, the athlete should
have built up muscular strength and mobility by training.

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