Rare Zebra

Rare disease search prototype built on Orphanet data

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ORPHA:98757

Spinocerebellar ataxia type 3

Also called Azorean disease of the nervous system, MJD, Machado disease, Machado-Joseph disease, Nigro-spino-dentatal degeneration with nuclear ophthalmoplegia, SCA3

Body system
Neurological diseases
Inheritance pattern
Autosomal dominant
Typical age of onset
Adult, Childhood
Estimated prevalence
1-9 / 100 000 (Worldwide)
Rarity class
1-9 / 100 000

ORPHA:98757 is classified under "Neurological diseases" in the Orphanet nomenclature.

Common signs

  • Proptosis
  • Progressive external ophthalmoplegia
  • Nystagmus
  • Diplopia
  • Delayed speech and language development
  • Dysarthria