Sporadic adult onset ataxia of unknown etiology (SAOA)
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Sporadic adult onset ataxia of unknown etiology (SAOA). Sporadic cerebellar ataxia, Insidious onset in adults. Fully referenced neurology checklist.
Diagnostic criteria
- Sporadic cerebellar ataxia
- Insidious onset in adults
- Onset age >30 years
- Slowly progressive
- Cerebellar atrophy
- No other cause identified
Associated features
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Important differential diagnoses
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Synonyms
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References
- Yoshida K, Kuwabara S, Nakamura K, et al; Research Group on Ataxic Disorders. Idiopathic cerebellar ataxia (IDCA): Diagnostic criteria and clinical analyses of 63 Japanese patients. J Neurol Sci 2018; 384:30-35.
- Abele M, Minnerop M, Urbach H, Specht K, Klockgether T. Sporadic adult onset ataxia of unknown etiology: a clinical, electrophysiological and imaging study. J Neurol 2007; 254:1384-1389.
- Klockgether T. Sporadic ataxia with adult onset: classification and diagnostic criteria. Lancet Neurol 2010; 9:94-104.
