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KMID : 0359720070250030422
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Journal of the Korean Neurological Association
2007 Volume.25 No. 3 p.422 ~ p.425
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A Case of Isolated Cerebellar Nodulus Infarction with Periodic Alternating Nystagmus and Unilateral Vestibulopathy
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Oh Sun-Young
Jeong Hye-Seon
Oh Joo-Young
Kim Jei
Lee Ae-Young
Kim Ji-Soo
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Abstract
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We report a patient with an isolated cerebellar nodulus infarction who presented with periodic alternating
nystagmus (PAN), perverted head-shaking nystagmus (pHSN), and loss of tilt suppression of the vestibulo-ocular
reflex (VOR). Several days after the initial symptoms resolved, the patient also presented with purely vestibular
syndrome with vertigo, spontaneous horizontal nystagmus without the usual signs of cerebellar dysfunction. The
chain of those symptoms were ascribed to ischemia of the cerebellar nodulus.
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KEYWORD
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Nodulus, Periodic alternating nystagmus (PAN), Unilateral vestibulopathy
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