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J Korean Bal Soc > Volume 2(2); 2003 > Article
Journal of the Korean Balance Society 2003;2(2): 237-240.
Isolated nodular infarction and vestibular neuritis
, 이 형, 조용원
계명대학교 의과대학 신경과학교실
Isolated nodular infarction and vestibular neuritis
Hyung Lee, Yong Won Cho
1Department of Neurology, Keimyung University School of Medicine, Daegu, South Korea. hlee@dsmc.or.kr
2Brain Research Institute, Keimyung University School of Medicine, Daegu, South Korea.
An isolated nodular infarction presenting as an isolated vertigo with unidirectional, gaze-fixed nystagmus has not been previously reported. We reported a patient with cerebellar infarction who presented with purely isolated vertigo, ipsilesional, spontaneous nystagmus, and contralesional axial lateropulsion without usual symptoms or signs of cerebellar dysfunction. An MRI of the brain showed a small infarct selectively involving the nodulus. A pure vestibular syndrome in our patient may be explained by an ipsilateral involvement of nodulo-vestibular inhibitory projection to vestibular nucleus. Clinicians should be aware of the possibility of a nodulus infarction in patients with an acute vestibular syndrome, even if the pattern of nystagmus and lateropulsion is typical of vestibular neuritis.
Keywords: Nodulus; Vestibular neuritis; Infarction
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