Transcranial cortical stimulation in syringomyelia: correlation with disability?
Central motor conduction times were studied using transcranial magnetic stimulation in 17 patients with syringomyelia. Central motor conduction time (lower-limb pathway) was prolonged or responses were absent in 44% of stimulations. When results were compared with clinical findings and magnetic resonance tomography, only a weak correlation was found. Transcranial magnetic stimulation is thus of limited value for diagnosing and monitoring the course of syringomyelia.
Department of Neurology, Ludwig-Maximillians-Universität, Munich, Germany.
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D000200:Action Potentials / Q000502:physiology; D000328:Adult; D000368:Aged; D002540:Cerebral Cortex; D005260:Female; D006801:Humans; D008280:Magnetics; D008297:Male; D008875:Middle Aged; D009046:Motor Neurons / Q000502:physiology*; D009431:Neural Conduction / Q000502:physiology*; D010812:Physical Stimulation / Q000379:methods*; D013595:Syringomyelia / Q000503:physiopathology*