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Ann Clin Neurophysiol > Volume 20(1); 2018 > Article
Ann Clin Neurophysiol. 2018; 20(1): 49-52.
Published online January 31, 2018.
doi: https://doi.org/10.14253/acn.2018.20.1.49
A case of acute motor sensory axonal neuropathy presenting reversible conduction block
Dongah Lee1, Hyung Chan Kim1, Kang Min Park1, Jinse Park1, Sam Yeol Ha1, Sung Eun Kim1, Byung In Lee1, Jong Kuk Kim2, Byeola Yoon2, and Kyong Jin Shin1
1Department of Neurology, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
2Department of Neurology, Dong-A University Hospital, Dong-A University College of Medicine, Busan, Korea
Corresponding Author: Kyong Jin Shin ,Tel: +82-51-797-2080, Fax: +82-51-797-1196, Email: neurof@naver.com
Received August 22, 2017   Revised: December 21, 2017    Accepted December 28, 2017
Copyright © 2018 The Korean Society of Clinical Neurophysiology
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Reversible conduction block (RCB) was rare in patients with acute motor sensory axonal neuropathy (AMSAN). A-46-year-old man presented with paresthesia, weakness, diplopia, and dysarthria. Nerve conduction study (NCS) exhibited axonal changes with conduction block in motor and sensory nerves. His symptoms were rapidly progressed and recovered. Conduction block was disappeared in the follow-up NCS performed after 2 weeks. The AMSAN case with RCB showed rapid progress and rapid recovery of clinical symptoms as acute motor axonal neuropathy patients with RCB.
Key words: Guillain-Barre Syndrome; Nerve conduction; Muscle weakness
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