unknown aetiology

Last reviewed 01/2018

The hereditary ataxias of unknown cause include:

  • spinal ataxias:
    • Friedreich's ataxia plus variants:
    • Roussy-Levy syndrome
    • Marie's spastic ataxia
  • cerebellar ataxias
    • pure cerebellar degeneration - Holmes'
    • olivopontocerebellar degeneration
  • sporadic late-onset cerebellar degeneration
  • hereditary spastic paraplegia