<unk>  <unk> , also known as lionitis, is an extremely rare autosomal recessive bone disorder that causes calcium to build up in the skull, disfiguring the facial features and reducing life expectancy. These calcium deposits decrease the size of cranial foramina, and can decrease the circumference of the cervical spinal canal. In the few cases recorded, most of the sufferers died in childhood.
Craniodiaphyseal dysplasia
Metaphyseal dysplasia
Craniometaphyseal dysplasia
Otospondylomegaepiphyseal dysplasia
Spondyloepimetaphyseal dysplasia
Spondylo-meta-epiphyseal dysplasia
Achondroplasia
Spondyloperipheral dysplasia