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Can upbeat nystagmus increase in downward, but not upward, gaze?

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Affiliated Author(s)
김현아이현아이형
Alternative Author(s)
Kim, Hyun AhYi, Hyon AhLee, Hyung
Journal Title
Journal of Clinical Neuroscience
ISSN
0967-5868
Issued Date
2012
Keyword
Alexander’s lawMultiple sclerosisUpbeat nystagmus
Abstract
Upbeat nystagmus (UBN) is typically increased with upward gaze and decreased with downward gaze. We describe a patient with acute multiple sclerosis who developed primary position UBN with a linear slow phase waveform, in which the velocity of nystagmus was intensified in downward gaze and decreased during upward gaze. Brain MRI showed high signal lesions in the paramedian dorsal area of the caudal medulla encompassing the most caudal part of the perihypoglossal nuclei. Clinicians should be aware of possibility of a caudal medullary lesion in a patient with UBN, especially when the velocity of the UBN is increased in downward gaze.
Department
Dept. of Neurology (신경과학)
Brain Research Institute (뇌연구소)
Publisher
School of Medicine
Citation
Hyun-Ah Kim et al. (2012). Can upbeat nystagmus increase in downward, but not upward, gaze? Journal of Clinical Neuroscience, 19(4), 600–601. doi: 10.1016/j.jocn.2011.07.033
Type
Article
ISSN
0967-5868
DOI
10.1016/j.jocn.2011.07.033
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/33992
Appears in Collections:
3. Research Institutues (연구소) > Brain Research Institute (뇌연구소)
1. School of Medicine (의과대학) > Dept. of Neurology (신경과학)
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