Movement disorders as sequelae of central pontine myelinolysis: Report of three cases

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Abstract
In three survivors of central pontine myelinolysis, dystonia (in two patients) and rest tremor (in one) were sequelae. The onset of these movements occurred 3 weeks to 5 months after the initial presentation with central pontine myelinolysis. Magnetic resonance imaging revealed basal ganglia lesions suggestive of extrapontine myelinolysis in all three patients. We propose that the movement disorders seen in our cases are clinical correlates of extrapontine myelinolysis.