• Mashup Score: 12

    A 26-year-old woman presented with dizziness for 4 weeks, accompanied by vertigo and imbalance for 10 days. Physical examination revealed dysarthria, nystagmus, tremor, and severe ataxia. Infectious and malignant etiologies were excluded. High-titer anti-Homer-3 antibodies were detected in CSF and serum. Neuroimaging showed prominent cerebellar swelling with enhancement (Figure). She got limited…

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    • A 26-year-old woman presented with dizziness for 4 weeks, accompanied by vertigo and imbalance for 10 days. Physical examination revealed dysarthria, #nystagmus, tremor, and severe ataxia. Learn the diagnosis: https://t.co/db2mBw51AQ #Neurology #NeuroTwitter https://t.co/UiS9W6TacC

  • Mashup Score: 5

    Oscillopsia due to downbeat nystagmus can be the presenting symptom of acute cerebellitis. The nystagmus is a result of exaggerated upward vestibulo-ocular input from the vestibular nuclei to the superior rectus and the inferior oblique muscles of the eye caused by the impaired feed-forward inhibition from the cerebellar flocculonodular Purkinje cells.

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    • Hayakawa et al report a case of pure downbeat #nystagmus in an adolescent woman with acute cerebellitis: https://t.co/Umg7yn13Ek #NeuroTwitter #NeuroOphthalmology https://t.co/0AqeVfWrUV