Parkinsonism can be a prominent clinical manifestation of ATX-ATXN2 , ATX- ATXN3 , ATX- CACNA1A , ATX- TBP , ATX-STUB1 , and ATX- PPP2R2B with mild or absent cerebellar signs… Click to show full abstract
Parkinsonism can be a prominent clinical manifestation of ATX-ATXN2 , ATX- ATXN3 , ATX- CACNA1A , ATX- TBP , ATX-STUB1 , and ATX- PPP2R2B with mild or absent cerebellar signs 1,2 with some cases resembling multiple system atrophy, progressive supranuclear palsy, or Parkinson ’ s disease. We report a case of severe rapidly progressive atypical parkinsonism poorly responsive to levodopa as the initial and main feature in a patient carrying an CACNA1G variant
               
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