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Familial or sporadic hemiplegic migraine

Disease definition

Hemiplegic migraine (HM) is a rare variety of migraine with aura characterized by the presence of a motor weakness during the aura. Hemiplegic migraine has two main forms depending on the familial history: patients with at least one first- or second-degree relative who has aura including motor weakness have familial hemiplegic migraine (FHM); patients without such familial history have sporadic hemiplegic migraine (SHM).

ORPHA:569

  • Synonym(s): -
  • Prevalence: 1-5 / 10 000
  • Inheritance: Autosomal dominant 
  • Age of onset: Childhood
  • ICD-10: G43.1
  • OMIM: 141500  602481  607516  609634
  • UMLS: -
  • MeSH: -
  • GARD: 10768
  • MedDRA: -

Detailed information

Additional information

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