Absence of spinal N13-P13 and normal scalp far-field P14 in a patient with syringomyelia

Short latency somatosensory evoked potentials to median or ulnar nerve stimulation were recorded in a patient with syringomyelia. Scalp-recorded far-field P14 was clearly preserved, but spinal N13-P13 components disappeared. Our findings support the hypothesis that spinal N13-P13 is generated by str...

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Published inElectroencephalography and clinical neurophysiology Vol. 71; no. 5; pp. 400 - 404
Main Authors Urasaki, Ei-ichirou, Wada, Shin-ichi, Kadoya, Chitoshi, Matsuzaki, Hideki, Yokota, Akira, Matsuoka, Shigeaki
Format Journal Article
LanguageEnglish
Published Shannon Elsevier Ireland Ltd 01.09.1988
Amsterdam Elsevier
Subjects
Adult
Biological and medical sciences
Cerebrospinal fluid. Meninges. Spinal cord
Evoked Potentials, Somatosensory
Far-field SEP
Humans
Male
Medical sciences
Nervous system (semeiology, syndromes)
Neurology
Spinal Cord - physiopathology
Spinal SEP
Syringomyelia
Syringomyelia - physiopathology
Syringomyelia
Far-field SEP
Spinal SEP
Human
Electrodiagnosis
Nervous system diseases
Cubital nerve
Somatosensory evoked potential
Nuclear magnetic resonance imaging
Spinal cord disease
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Summary:Short latency somatosensory evoked potentials to median or ulnar nerve stimulation were recorded in a patient with syringomyelia. Scalp-recorded far-field P14 was clearly preserved, but spinal N13-P13 components disappeared. Our findings support the hypothesis that spinal N13-P13 is generated by structures intrinsic to the cervical cord, most likely in the ventral central gray matter.
Bibliography:ObjectType-Case Study-2
SourceType-Scholarly Journals-1
ObjectType-Feature-4
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ObjectType-Report-1
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ISSN:0168-5597
0013-4694
1872-6380
DOI:10.1016/0168-5597(88)90043-3