| A sclerosing disorder of the skeleton with increased bone density that classically displays the radiographic sign of sandwich vertebrae (dense bands of sclerosis parallel to the vertebral endplates). Onset of the disease is typically in late childhood or adolescence. The main manifestations are confined to the skeleton, including fractures, scoliosis, hip osteoarthritis and osteomyelitis, particularly affecting the mandible in association with dental abscess or caries. The disease is caused by heterozygous mutations in the chloride channel 7 (ClCN7) gene (16p13). |
