Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
From the case:
Osteogenesis imperfecta - spine
Sagittal bone window

Severe osteogenesis imperfecta with platybasia and basilar invagination.
From the case:
Osteogenesis imperfecta - spine
Sagittal T2

Severe osteogenesis imperfecta with platybasia and basilar invagination compressing cervicomedullary junction.
Case Discussion
Severe osteogenesis imperfecta with platybasia and basilar invagination.