Ultrasound of cervical nerve root enlargement in polyneuropathy is not confounded by neuroforaminal stenoses.

Autor: Härtig K; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, Eberhard Karls University Tübingen, Tuebingen, Germany., Kronlage C; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, Eberhard Karls University Tübingen, Tuebingen, Germany. Electronic address: cornelius.kronlage@med.uni-tuebingen.de., Wittlinger J; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, Eberhard Karls University Tübingen, Tuebingen, Germany., Hauser TK; Department of Neuroradiology, Eberhard Karls University Tübingen, Tuebingen, Germany., Grimm A; Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, Eberhard Karls University Tübingen, Tuebingen, Germany.
Jazyk: angličtina
Zdroj: Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology [Clin Neurophysiol] 2022 Sep; Vol. 141, pp. 34-41. Date of Electronic Publication: 2022 Jul 04.
DOI: 10.1016/j.clinph.2022.06.013
Abstrakt: Objective: Ultrasound can detect enlargement of cervical nerve roots, which has been described in polyneuropathies (PNP), mainly of demyelinating pathology. This study investigates whether neuroforaminal stenosis, as a common but often asymptomatic degenerative change, is associated with nerve root enlargement on ultrasound and whether neuroforaminal stenosis thus confounds cervical nerve root ultrasound findings in the diagnostic assessment of PNP.
Methods: We retrospectively studied 182 patients (62 demyelinating, 71 axonal PNP; 49 without evidence of PNP) who had undergone ultrasound of the cervical nerve roots C5 and C6 and magnetic resonance or computed tomography of the cervical spine that was reviewed with respect to neuroforaminal stenoses.
Results: Patients with demyelinating PNP had larger nerve roots than those with axonal/without PNP. No significant differences in cervical nerve root diameters were found between groups with vs. without neuroforaminal stenosis. The diagnostic performance of the discrimination of PNP subtypes based on ultrasound nerve root measurements did not differ significantly when including or excluding subjects with neuroforaminal stenoses.
Conclusions: Neuroforaminal stenosis per se does not entail relevant cervical nerve root enlargement detectable by nerve ultrasound.
Significance: Ultrasound assessment of cervical nerve root size in the diagnostic evaluation of PNP is unlikely to be confounded by common degenerative changes of the cervical spine.
Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2022 International Federation of Clinical Neurophysiology. Published by Elsevier B.V. All rights reserved.)
Databáze: MEDLINE
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