Unilateral Negative Myoclonus Caused by Herpes Simplex Virus Encephalitis

Various neurologic manifestations of herpes simplex virus (HSV) encephalitis have been reported on the literatures. Chorea, ballism, choreoathetosis and myoclonus were reported as movement disorders which might be related with brain lesion by HSV encephalitis, but negative myoclonus (NM) has never b...

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Main Authors: Jin-Mo Park, Jin-Sung Park, Yong-Won Kim, Ho-Won Lee, Da-In Lee, Sung-Pa Park, Hyun Seok Song
Format: Article
Language:English
Published: Korean Movement Disorder Society 2011-05-01
Series:Journal of Movement Disorders
Subjects:
Online Access:http://e-jmd.org/upload/jmd-4-1-49-9.pdf
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author Jin-Mo Park
Jin-Sung Park
Yong-Won Kim
Ho-Won Lee
Da-In Lee
Sung-Pa Park
Hyun Seok Song
author_facet Jin-Mo Park
Jin-Sung Park
Yong-Won Kim
Ho-Won Lee
Da-In Lee
Sung-Pa Park
Hyun Seok Song
author_sort Jin-Mo Park
collection DOAJ
description Various neurologic manifestations of herpes simplex virus (HSV) encephalitis have been reported on the literatures. Chorea, ballism, choreoathetosis and myoclonus were reported as movement disorders which might be related with brain lesion by HSV encephalitis, but negative myoclonus (NM) has never been reported before. NM can be characterized as a shock-like involuntary jerky movement caused by a sudden, brief interruption of muscle activity. We experienced a case of HSV encephalitis with NM in unilateral arm and leg. In polygraphic monitoring, electroencephalography (EMG) silent periods are 50–250 ms in duration with no detectable EMG correlate.
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spelling doaj.art-c61ca8037f36424fa03170db0a9a8ad62023-09-02T18:56:14ZengKorean Movement Disorder SocietyJournal of Movement Disorders2005-940X2093-49392011-05-0141495210.14802/jmd.1100940Unilateral Negative Myoclonus Caused by Herpes Simplex Virus EncephalitisJin-Mo ParkJin-Sung ParkYong-Won KimHo-Won LeeDa-In LeeSung-Pa ParkHyun Seok SongVarious neurologic manifestations of herpes simplex virus (HSV) encephalitis have been reported on the literatures. Chorea, ballism, choreoathetosis and myoclonus were reported as movement disorders which might be related with brain lesion by HSV encephalitis, but negative myoclonus (NM) has never been reported before. NM can be characterized as a shock-like involuntary jerky movement caused by a sudden, brief interruption of muscle activity. We experienced a case of HSV encephalitis with NM in unilateral arm and leg. In polygraphic monitoring, electroencephalography (EMG) silent periods are 50–250 ms in duration with no detectable EMG correlate.http://e-jmd.org/upload/jmd-4-1-49-9.pdfHerpes simplex virusEncephalitisNegative myoclonusAsterixis
spellingShingle Jin-Mo Park
Jin-Sung Park
Yong-Won Kim
Ho-Won Lee
Da-In Lee
Sung-Pa Park
Hyun Seok Song
Unilateral Negative Myoclonus Caused by Herpes Simplex Virus Encephalitis
Journal of Movement Disorders
Herpes simplex virus
Encephalitis
Negative myoclonus
Asterixis
title Unilateral Negative Myoclonus Caused by Herpes Simplex Virus Encephalitis
title_full Unilateral Negative Myoclonus Caused by Herpes Simplex Virus Encephalitis
title_fullStr Unilateral Negative Myoclonus Caused by Herpes Simplex Virus Encephalitis
title_full_unstemmed Unilateral Negative Myoclonus Caused by Herpes Simplex Virus Encephalitis
title_short Unilateral Negative Myoclonus Caused by Herpes Simplex Virus Encephalitis
title_sort unilateral negative myoclonus caused by herpes simplex virus encephalitis
topic Herpes simplex virus
Encephalitis
Negative myoclonus
Asterixis
url http://e-jmd.org/upload/jmd-4-1-49-9.pdf
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