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vestibular paroxysmia
Etiology:
- neurovascular cross-compression of cranial nerve 8
Clinical manifestations:
- vertigo attacks (seconds to minutes long) occurring at rest & with head turns, position change, or hyperventilation in 50% of patients, only at rest in 28%, & only with provocation in 22%
- 28% with accompanying auditory symptoms
- most with evidence of unilateral auditory or vestibular damage
Radiology:
- MRI of the brain
a) shows neurovascular cross-compression of cranial nerve 8 in almost all cases
b) many unaffected individuals have similar MRI findings
Management:
- most patients respond to carbamazepine or oxcarbazepine
General
central vertigo
References
- Hufner K et al.
Vestibular paroxysmia: Diagnostic features and medical
treatment.
Neurology 2008 Sep 23; 71:1006.
PMID: 18809837