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KMID : 1235520160150040147
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Research in Vestibular Science
2016 Volume.15 No. 4 p.147 ~ p.150
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Isolated Infarction of Anterior Cerebellar Vermis
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Kim Sung-Hee
Kim Ji-Soo
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Abstract
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The anterior cerebellar vermis has been known to act in coordination of gait and postural adjustment of the trunk and legs. However, oculomotor abnormalities in an isolated anterior vermian lesion have not been described in the literature. A 59-year-old man presented with acute non-rotatory dizziness and disequilibrium. Neuro-ophthalmologic examination found impaired smooth pursuit and hypometric saccades in the contralesional direction, and disconjugate ipsiversive ocular torsion, but without spontaneous or gaze-evoked nystagmus. Imaging study showed an infarction restricted to the rostral end of right cerebellar vermis involving the lingual and central lobules. The anterior cerebellar vermis participates in the maintenance of axial posture and gait, and also in the control of ocular motor and vestibular systems.
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KEYWORD
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Cerebellum, Cerebellar vermis, Gait, Smooth pursuit, Saccades, Ocular torsion
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