The purpose of this overview is to:
Describe the clinical characteristics of dystonia;
Review the causes of hereditary dystonia;
Provide an evaluation strategy to determine the etiology of hereditary dystonia in a proband;
Review the differential diagnosis of hereditary dystonia (i.e., non-genetic causes of dystonia);
Provide information regarding recurrence risk and evaluation of relatives of a proband with hereditary dystonia who are at risk.
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