Paroxysmal dysequilibrium, common in children, is often a symptom of the migraine syndrome of childhood. In some patients with classical migraine, the vertigo is due to ischemia within the basilar artery distribution, but in others, the site of the cerebral ischemia cannot be accurately defined. Cases of vertigo unassociated with headache that resemble those described by Basser (1964) as "benign paroxysmal vertigo of childhood" are also described. Follow-up studies of these patients whose symptom was originally diagnosed as a migraine equivalent indicate that 50% subsequently developed classical migraine.
Watson P, Steele JC. Paroxysmal Dysequilibrium in the Migraine Syndrome of Childhood. Arch Otolaryngol. 1974;99(3):177–179. doi:10.1001/archotol.1974.00780030185005
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