Sporadic adult-onset ataxia of unknown etiology
Synonyms: Idiopathic late-onset cerebellar ataxia | SAOA
A rare non-hereditary degenerative ataxia disease characterized by a slowly progressive cerebellar syndrome (with ataxia of stance and gait upper limb dysmetria and intention tremor ataxic speech and oculomotor abnormalities) presenting in adulthood (at around 50 years of age) that is not due to a known cause. Extracerebellar symptoms (e.g. decreased vibration sense and absent or decreased ankle reflexes) polyneuropathy and mild autonomic dysfunction may also be present. Mild cognitive impairment has also rarely been reported.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version December 2023
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Sporadic adult-onset ataxia of unknown etiology?
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