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J Korean Neurol Assoc. 2007;25(3):422-425.
A Case of Isolated Cerebellar Nodulus Infarction with Periodic Alternating Nystagmus and Unilateral Vestibulopathy
Sun-Young Oh
Department of neurology, Chonbuk National Universitya, Chungnam National Universityb and Seoul National Universityc, College of Medicine
주기성 교대 안진과 일측성 전정병을 보인 단독 소뇌 결절 경색 1예
오선영, 정혜선b 오주영b 김 제b 이애영b 김지수c
전북대학교 의과대학 신경과학교실a, 충남대학교 의과대학 신경과학교실b, 서울대학교 의과대학 신경과학교실c
Abstract
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. KeyWords:Nodulus, Periodic alternating nystagmus (PAN), Unilateral vestibulopathy

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