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KMID : 1036520200100010005
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Clinical Neuro-Ophthalmology
2020 Volume.10 No. 1 p.5 ~ p.7
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Central Paroxysmal Positional Nystagmus in Lateral Decubitus Position From Unilateral Nodular Infarction
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Kim Sung-Hee
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Abstract
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The cerebellar nodulus is responsible for central positional nystagmus. Positional nystagmus of the cerebellar nodular lesion has been observed in lying down from sitting, supine head rolling test, Dix-Hallpike position, and straight head hanging from sitting. The effects of lateral decubitus position in a nodular lesion remain unknown. A 75-year-old woman with unilateral nodular infarction showed central paroxysmal positional vertigo and nystagmus dominantly during a decubitus position to the lesion side. The types of central positional nystagmus are various, and the effects of the lateral decubitus position in central vestibular lesions require a further exploration.
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KEYWORD
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Positional nystagmus, Nodulus, Decubitus, Gravity
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