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Keywords:

  • VIM stimulation;
  • Parkinson's disease

Abstract

A 73-year-old man with Parkinson's disease underwent thalamic stimulation for disabling tremor with excellent results only when stimulation on. Post-mortem neuropathology (7 years postoperatively) revealed 60% cell loss within 0.5 mm of the electrode tip. Tremor improvement was attributable to chronic stimulation, not microthalamotomy. © 2004 Movement Disorder Society