Rest and appropriate treatment help the OCD lesion heal so your child can eventually return to normal activities.

Osteochondritis dissecans (OCD) of the ankle starts when a spot on the outer layer of the talus (one of the bones of the ankle) becomes compressed or damaged, usually from an injury. The damaged bone tissue and attached cartilage begin to separate from the rest of the talus. This area of damaged tissue is called an OCD lesion. If the lesion is not treated, arthritis may develop in the joint.

Symptoms of an OCD lesion in the ankle can include pain and swelling. The joint may sometimes lock up or feel unstable.

Depending on the severity of the OCD lesion, treatment may include rest, immobilization of the ankle with a cast or brace, physical therapy, or surgery.

• Your child should avoid high-impact activities like running and jumping.
• If your child was given crutches, give reminders about using them safely.
• Some kids need to wear a boot or cast. Help your child follow the care instructions from the health care provider.
• For ankle pain, give ibuprofen or naproxen as directed by your health care provider.

• If you haven't already done so, make a follow-up appointment with your child's health care provider or orthopedic surgeon.
• Follow instructions from the health care provider about taking your child for physical therapy.

Your child:

• Has a lot of pain.
• Develops a lot of swelling around the ankle.
• Can't move his or her ankle.

Your child:

• Can't tolerate the pain in the ankle.
• Can't bear any weight on the ankle.

Without treatment, children with an OCD lesion that is loose or breaks off from the bone are at higher risk of developing osteoarthritis.