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Ataxia-oculomotor apraxia type 4

Disease definition

A rare autosomal recessive cerebellar ataxia characterized by onset of dystonia and other extrapyramidal signs, ataxia, oculomotor apraxia, and progressive sensorimotor polyneuropathy in the first decade of life. Patients present distal muscle weakness and atrophy, decreased vibratory sensation, and areflexia, and usually become wheelchair-bound by the third decade. Variable cognitive impairment may also be seen.

ORPHA:459033

Classification level: Disorder
  • Synonym(s):
    • AOA4
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Infancy, Childhood
  • ICD-10: G60.2
  • OMIM: 616267
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

  A summary on this disease is available in Español (2020) Français (2020) Nederlands (2020)

Detailed information

Disease review articles

ERN : produced/endorsed by ERN(s)
FSMR : produced/endorsed by FSMR(s)

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.