| polymyoclonus | An ill-defined disorder marked by rapid and widespread muscle contractions. Synonym: paramyoclonus multiplex, polyclonia, polymyoclonus. (05 Mar 2000) |
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| dentatorubral cerebellar atrophy with polymyoclonus | A familial disorder beginning in late childhood, characterised by progressive cerebellar ataxia, action myoclonus and preserved intellect. Probably due to multiple causes, mitochondrial abnormalities being one. Synonym: dentatorubral cerebellar atrophy with polymyoclonus. (05 Mar 2000) |
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