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Superior divisional vestibular paresis in anterior inferior cerebellar artery infarction

Cited 9 time in Web of Science Cited 10 time in Scopus
Authors
Lee, Hyung; Kim, Hyo-Jung; Koo, Ja-Won; Kim, Ji Soo
Issue Date
2009-10-15
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF THE NEUROLOGICAL SCIENCES; Vol.285; 250-253
Keywords
Anterior inferior cerebellar arteryVertigoEvoked potentialStroke
Abstract
A 74-year-old woman with sudden vertigo and dysarthria showed spontaneous nystagmus beating rightward, upward and clockwise. She also exhibited dysfunction of the left utricle and superior and horizontal canals, which was documented by head impulse and heave tests, measurements of ocular torsion and subjective visual vertical tilt, bithermal caloric tests, and rotation axis analysis of the spontaneous nystagmus. In contrast, functions of the left posterior canal, saccule, and cochlea were remained intact, as evidenced by normal head impulse test, audiometry and vestibular evoked myogenic potential. MRI revealed an acute infarction in the left lateral pons of anterior inferior cerebellar artery (AICA) territory. Our patient with AICA infarction showed isolated damage to the superior vestibular labyrinth or its afferents with preservation of the inferior vestibular labyrinth and auditory function. Our patient provides further evidence that isolated damage to the superior vestibular labyrinth or its afferents may be a mechanism of isolated vascular vertigo.
ISSN
0022-510X
Language
English
URI
http://hdl.handle.net/10371/77131
DOI
https://doi.org/10.1016/j.jns.2009.06.018
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Neurology (신경과학교실)Journal Papers (저널논문_신경과학교실)
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