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Primary dystonia, DYT4 type

Disease definition

DYT4 type primary dystonia is characterized by predominantly laryngeal dystonia (manifesting as whispering dysphonia) and cervical dystonia (manifesting as torticollis).


Classification level: Disorder
  • Synonym(s):
    • DYT4
    • Hereditary whispering dysphonia
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant 
  • Age of onset: Adolescent, Adult
  • ICD-10: G24.1
  • OMIM: 128101
  • UMLS: C1851943  C1860315
  • MeSH: -
  • GARD: 10138
  • MedDRA: -

Detailed information


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