Three months after brainstem hemorrhage, MRI revealed a hyperintense lesion of the left inferior olivary nucleus of a 45-year-old man (figure). The patient was completely asymptomatic, but exhibited oculopalatal tremor (OPT), rhythmic palatal oscillations, and small-amplitude vertical pendular nystagmus of the right eye, best visualized on fundus examination (see video).
Footnotes
This study was approved by the Swiss Federal Department of Health (authorization # 035.0003-48).
Supplemental data at www.neurology.org
- © 2013 American Academy of Neurology
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