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Dystonia-aphonia syndrome

Disease definition

Dystonia-aphonia syndrome is a rare, genetic, persistent combined dystonia disorder characterized by slowly progressive, severe, caudo-rostrally spreading generalized dystonia with prominent facial and oro-mandibular involvement leading to severe anarthria and/or aphonia, swallowing difficulties, and gait disturbances. Additional manifestations include slowed horizontal saccades, subclinical epilepsy, photic myoclonus, oral hypertrophic changes (e.g. gingival or lingual hyperplasia), as well as delayed milestones and cognitive impairment.

ORPHA:412217

Classification level: Disorder
  • Synonym(s): -
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal dominant 
  • Age of onset: Infancy, Childhood, Adolescent, Adult
  • ICD-10: G24.8
  • OMIM: -
  • UMLS: C5190573
  • MeSH: -
  • GARD: -
  • MedDRA: -

  A summary on this disease is available in Español (2018) Français (2018) Italiano (2018) Nederlands (2018) Polski ()

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.