Combined ipsilateral oculomotor nerve palsy and contralateral downbeat nystagmus in a case of cerebral infarction

Kosuke Matsuzono, Yasuhiro Manabe, Yoshiaki Takahashi, Hisashi Narai, Nobuhiko Omori, Koji Abe

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We report a patient with acute cerebral infarction of the left paramedian thalamus, upper mesencephalon and cerebellum who exhibited ipsilateral oculomotor nerve palsy and contralateral downbeat nystagmus. The site of the infarction was considered to be the paramedian thalamopeduncular and cerebellar regions, which are supplied by the superior cerebellar artery containing direct perforating branches or both the superior cerebellar artery and the superior mesencephalic and posterior thalamosubthalamic arteries. Contralateral and monocular downbeat nystagmus is very rare. Our case suggests that the present downbeat nystagmus was due to dysfunction of cerebellar-modulated crossed oculovestibular fibers of the superior cerebellar peduncle or bilateral downbeat nystagmus with one-sided oculomotor nerve palsy.

Original languageEnglish
Pages (from-to)134-138
Number of pages5
JournalCase Reports in Neurology
Volume6
Issue number1
DOIs
Publication statusPublished - 2014

Keywords

  • Infarction
  • Monocular downbeat nystagmus
  • Oculomotor nerve palsy
  • Superior cerebellar peduncle

ASJC Scopus subject areas

  • Clinical Neurology

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