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Keywords:

  • Bereitschaftpotential;
  • polymyography;
  • spinal cord irradiation

Abstract

We describe a patient with intermittent, at times rhythmic trunk flexion movements. Neurophysiological assessment excluded a psychogenic movement disorder. The segmental spinal myoclonus occurred 6 years after radiation therapy of the brain and entire spinal cord, and we suggest this patient to be the first case of a late-delayed sequela of spinal cord irradiation presenting as segmental spinal myoclonus. © 2002 Movement Disorder Society