Craniocervical junction abnormalities
see rheumatoid arthritis
see craniocervical spine abnormalities
see odontoid fractures
Occipital condyle fracture
Ankylosing spondylitis
Chiari malformation
Klippel-Feil syndrome
Down syndrome
Atlantoaxial dislocation
Occipitalization of the atlas
Morquio syndrome
Basilar impression
Atlantooccipital dislocation