Spinocerebellar ataxia, Machado-Joseph type IV: A rare genetic disorder (chromosome 14q32.1defect) characterized by late onset of symptoms - muscle twitching and Parkinsonism. Gait ataxia and dysarthria (speech disorder) also occur and are symptoms common to all the spinocerebellar ataxia types. More detailed information about the symptoms, causes, and treatments of Spinocerebellar ataxia, Machado-Joseph type IV is available below.
See full list of 6 symptoms of Spinocerebellar ataxia, Machado-Joseph type IV
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