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KMID : 1036520120020010068
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Clinical Neuro-Ophthalmology
2012 Volume.2 No. 1 p.68 ~ p.70
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Paramedian Pontine Infarction Presenting Isolated Bilateral Internuclear Ophthalmoplegia and Vertical Gaze Evoked Nystagmus
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Kim Hyun-Ah
Na Geon-Youb
Yi Hyon-Ah
Lee Hyung
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Abstract
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Gaze-evoked nystagmus (GEN) due to a focal brain lesion is usually caused by a failure of the neural integrator, which was known to be localized in the interstitial nucleus of Cajal in the upper midbrain for vertical gaze holding and in the medial vestibular nucleus and nucleus prepositus hypoglossi in the upper medulla for horizontal gaze holding. We presented a patient with infarction in the paramedian middle pons who presented with vertical GEN and bilateral
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KEYWORD
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Gaze-evoked nystagmus, Internuclear ophthalmoplegia, Pontine infarction
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