A 27 year old female developed delayed onset of persistent generalized
dystonia following a suicidal attempt with potassium cyanide. Cranial
CT scan showed bilateral putaminal hypodensities which were also seen
on MRI scans to be hypointense on T-1 and hyperintense on T-2 weighte
d images. Multimodality evoked potentials were normal. An improvement
was noted with levodopa.