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Research in Vestibular Science > Volume 13(4); 2014 > Article
Research in Vestibular Science 2014;13(4): 114-116.
병변측으로 향하는 주시유발안진과 두진후안진을 보인 외측연수경색증
경태석, 김민범
인하대학교 의과대학 이비인후과학교실
Lateral Medullary Infarction with Ipsilesional Gaze-Evoked and Head-Shaking Nystagmus
Taesuk Kyung, Minbum Kim
Department of Otorhinolaryngology, Inha University College of Medicine, Incheon, Korea. minbumkim78@gmail.com
For differential diagnosis between vestibular neuritis and lateral medullary infarction with similar clinical features, bedside examination of nystagmus is important. We report a 45-year-old male who presented with acute vertigo for two days. He showed spontaneous right-beating nystagmus. However, left-beating nystagmus was evoked during bilateral horizontal gaze and by horizontal head oscillation. Brain MRI revealed an acute infarction in the left lateral medulla.
Keywords: Gaze evoked nystagmus; Head shaking nystagmus; Lateral medullary infarction
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