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By Mayo Clinic staffComplications of Legg-Calve-Perthes disease may include:
- Permanent hip deformity. Legg-Calve-Perthes disease may cause a permanently deformed hip joint — especially if the condition develops after ages 6 to 8.
- Increased chance of osteoarthritis. Severe cases of Legg-Calve-Perthes disease may increase the risk of osteoarthritis as an adult.