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Neurological Sciences

, Volume 26, Issue 5, pp 362–366 | Cite as

Transcranial magnetic stimulation as trigger of dystonic attacks in a patient affected by paroxysmal kinesigenic dyskinesia

  • A. QuartaroneEmail author
  • S. Bagnato
  • V. Rizzo
  • F. Morgante
  • C. Messina
  • P. Girlanda
CASE REPORT

Abstract

A 22-year-old patient presented with attacks of paroxysmal dystonia characterised by involuntary and uncontrollable movements affecting lower and upper limbs with sustained turning or twisting of the trunk. These motor paroxysms were induced by voluntary movements and lasted between 10 and 15 s with a frequency of 1–5 attacks per day. Transcranial magnetic stimulation of the motor cortex was found to induce motor paroxysms very similar to the spontaneous attacks. To evaluate motor cortex and brainstem excitability immediately after and between the attacks, a neurophysiological study was performed.

Key words

Transcranial magnetic stimulation (TMS) Paroxysmal kinesigenic dyskinesia Cortical excitability Dystonic attack 

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Copyright information

© Springer-Verlag Italia 2005

Authors and Affiliations

  • A. Quartarone
    • 1
    • 2
    Email author
  • S. Bagnato
    • 3
  • V. Rizzo
    • 2
  • F. Morgante
    • 2
  • C. Messina
    • 2
  • P. Girlanda
    • 2
  1. 1.Clinica Neurologica 2, Policlinico UniversitarioMessinaItaly
  2. 2.Department of Neurosciences, Psychiatric and Anaesthesiological SciencesUniversity of MessinaItaly
  3. 3.Fondazione Istituto San Raffaele G. GiglioCefalù (PA)Italy

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