<unk>  is diagnosed based on clinical and radiographic findings that include hyperostosis. Some things such as cranial base sclerosis and nasal sinuses obstruction can be seen during the beginning of the child's life. In radiographic findings the most common thing that will be found is the narrowing of foramen magnum and the widening of long bones. Once spotted treatment is soon suggested to prevent further compression of the foramen magnum and disabling conditions.
Craniometaphyseal dysplasia
Craniodiaphyseal dysplasia
Metaphyseal dysplasia
Otospondylomegaepiphyseal dysplasia
Spondylo-meta-epiphyseal dysplasia
Multiple epiphyseal dysplasia
Spondyloepimetaphyseal dysplasia
Achondroplasia