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Apogeotropic central positional nystagmus as a sole sign of nodular infarction

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Author(s)
김현아이현아이형
Alternative Author(s)
Kim, Hyun AhYi, Hyon AhLee, Hyung
Publication Year
2012
Keyword
Central positional nystagmusNodulus
Abstract
Positional vertigo and nystagmus without associated
neurological symptoms and signs are characteristic
features of benign paroxysmal positional vertigo (BPPV).
Although positional nystagmus may occur with caudal cerebellar
infarction including the nodulus, positional nystagmus
is usually associated with other neurological signs such
as spontaneous or gaze-evoked nystagmus, perverted headshaking
nystagmus, cerebellar dysmetria, or severe gait
ataxia with falling. We present a patient with nodular
infarction who had positional vertigo with nystagmus as a
sole manifestation. Video-oculography showed apogeotropic
positional horizontal nystagmus during head turning
while supine, which was consistent with apogeotropic BPPV
involving the horizontal canal. MRI disclosed acute infarct
in the nodulus. Nodulus infarction should be considered in a
patient with positional nystagmus, especially when the presenting
symptoms and signs are consistent with BPPV
involving the horizontal canal.
Keywords Central positional nystagmus Nodulus
Department
Dept. of Neurology (신경과학)
Brain Research Institute (뇌연구소)
Publisher
School of Medicine
Citation
Neurological Sciences, Vol.33(5) : 1189-1191, 2012
Type
Article
ISSN
1590-1874
DOI
10.1007/s10072-011-0884-x
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/33504
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