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Ann Clin Neurophysiol > Volume 19(1); 2017 > Article
Ann Clin Neurophysiol. 2017; 19(1): 68-70.
Published online January 26, 2017.
doi: https://doi.org/10.14253/acn.2017.19.1.68
Flail arm syndrome with several issues related to the diagnostic process
Jae-Youn Kim, Yun Kyung Park, Bora Yoon, Kee Ook Lee, Yong-Duk Kim, and Sang-Jun Na
Department of Neurology, Konyang University of College of Medicine, Daejeon, Korea
Corresponding Author: Sang-Jun Na ,Tel: +82-42-600-8814, Fax: +82-42-545-0050, Email: nukedoc@hanmail.net
Received September 2, 2016    Accepted January 2, 2017
Copyright © 2017 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.
Flail arm syndrome (FAS), known as one of the atypical amyotrophic lateral sclerosis (ALS) variants, has a similar clinical course and pathologic findings as ALS. Therefore it is difficult to differentiate between ALS and FAS at a glance. There are few reports involving individual analysis of FAS patients to date. The findings of polysomnography (PSG) in patient with FAS are not well known. We report a male FAS patient with review of literatures and several issues related to the diagnostic process.
Key words: Flail arm syndrome; Amyotrophic lateral sclerosis; Upper motor neuron sign
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