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Spinocerebellar ataxia type 17

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Spinocerebellar ataxia type 17

This video demonstrates a patient with spinocerebellar ataxia type 17. She has left foot chorea. There are low-amplitude myoclonic jerks involving multiple body regions, which are more prominent when performing manual tasks, such as the finger following test in this video. She has a prominent, wide-based ataxic gait. (Contributed by Dr. Pichet Termsarasab.)

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Associated Disorders

  • Machado-Joseph disease