The use of transcranial magnetic stimulation in the clinical evaluation of suspected myelopathy |
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Authors: | Y.C. Chan MRCP K.R. Mills PhD FRCP |
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Affiliation: | Department of Clinical Neurophysiology, King's College Hospital, London SE5 9RS. yeecheun@yahoo.com.sg |
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Abstract: | Central motor conduction time (CMCT) and motor evoked potential (MEP) latencies measured by using transcranial magnetic stimulation (TMS) are parameters used to evaluate electrophysiologic function of the corticospinal motor tract. We present 5 cases to illustrate how the use of TMS had contributed to clinical management. CMCT and MEP latency measurements were found to be useful in determining the significance of lesions seen on neuroimaging and helped clinical decisions in the presence of multiple lesions or multiple clinical conditions that cause similar clinical manifestations. TMS study is particularly useful in localizing levels of conduction defect. |
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Keywords: | motor evoked potential transcranial magnetic stimulation myelopathy |
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