label: spinocerebellar ataxia 47
label_lc: spinocerebellar ataxia 47
description: A rare hereditary ataxia characterized by adult onset of slowly progressive cerebellar degeneration with gait ataxia, dysmetria, dysarthria, and in some cases diplopia. Cognitive functions are normal, and seizures are absent. Magnetic resonance imaging reveals mild atrophy of the cerebellar vermis.