In adults, osteoarthritis of the lower limbs, mineralizing enthesopathy and osteophyte formation commonly occur and, in some rare cases, hearing loss has been observed.
[orpha.net]
[…] and biochemical findings, and typical rickets/osteomalacia radiographic feautures (in children: fraying and cupping of metaphyseal regions; in adults: pseudofactures and enthesopathies
[orpha.net]