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Keywords:

  • Parkinsonism;
  • Progressive dystonia;
  • Cyanide intoxication

Abstract

A 39-year-old man showed a combination of severe parkinsonism and progressive dystonia following attempted suicide with sodium cyanide. Computed tomography (CT) scan showed bilateral lucencies in the putamen and external globus pallidus. The topography of lesions on CT scan closely correlated with the pathological findings described in a previous report of cyanide-induced parkinsonism. This is the first reported case of cyanide intoxication with delayed-onset dystonia.