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Images in Neurology
October 2013

Hypertrophic Olivary Degeneration Due to Pontine Hemorrhage

Author Affiliations
  • 1Alexian Brothers Medical Center, Interventional Neuroradiology, Elk Grove Village, Illinois
JAMA Neurol. 2013;70(10):1330. doi:10.1001/2013.jamaneurol.359

A 71-year-old man presented with slowly progressive gait difficulty over several months due to left-sided ataxia, particularly affecting his leg. Fourteen months earlier, he had had a pontine hemorrhage (Figure 1A), causing left arm paralysis, from which he recovered. Magnetic resonance imaging (Figure 1B-D) showed findings consistent with hypertrophic olivary degeneration, ipsilateral to the prior bleed that had involved the central tegmental tract.

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