familial type 1 Hemiplegic migraine
A hereditary autosomal dominant type of migraine with aura (OMIM: 157300) with onset in childhood or young adulthood. More than half of patients may also present with PATHOLOGIC NYSTAGMUS and cerebellar ataxia and migraines may progress to COMA in a third of patients. Mutations in the CACNA1A gene have been identified. OMIM: 141500
Also Known As:
Hemiplegic migraine, familial type 1; Migraine, Familial Hemiplegic, 1; Migraine, familial hemiplegic 1, with progressive cerebellar ataxia
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Disease Context: Research Results