ORPHA:2285
Primary basilar invagination
Also called Bull-Nixon syndrome
- Body system
- Neurological diseases
- Inheritance pattern
- Autosomal dominant
- Typical age of onset
- All ages
- Estimated prevalence
- Unknown (Worldwide)
- Rarity class
- Unknown
ORPHA:2285 is classified under "Neurological diseases" in the Orphanet nomenclature.
Common signs
- Short neck
- Platybasia
- Abnormality of the cervical spine
- Abnormal vertebral morphology
- Basilar impression
- Abnormality of eye movement