Osteochondritis dissecans lesions, also known as osteochondral lesions, refer to part of a bone and cartilage that break off from the surrounding bone. It is most likely to affect the knee, ankle, or elbow. Osteochondritis dissecans is more common in children and adolescents, particularly those who play sports. It can cause symptoms such as pain, swelling, and joint locking or catching.

Source: Medical News Today

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