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Case Reports
. 2004 Jul-Sep;19(3):203-6.

Spinal myoclonus with giant somatosensory evoked potentials and enhanced long-loop reflex: a case report

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  • PMID: 15595716
Case Reports

Spinal myoclonus with giant somatosensory evoked potentials and enhanced long-loop reflex: a case report

Mariano Serrao et al. Funct Neurol. 2004 Jul-Sep.

Abstract

We describe a patient with an ischaemic lesion of the cervical spinal cord who presented with clinical evidence of stimulus-sensitive, multisegmental myoclonic jerks restricted to the truncal and proximal limb muscles and accompanied by electrophysiological features (giant somatosensory evoked potentials and enhanced long-loop reflex) of cortical myoclonus. We hypothesize that these features might result from a loss of inhibitory influences on the sensory input to cortical structures: a concomitant contribution of spinal and cortical hyperexcitability seems to have played a crucial role in inducing myoclonus in our patient.

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