Midbrain Infarction Resulting in Bilateral Pseudoabducens Palsies.

Midbrain Infarction Resulting in Bilateral Pseudoabducens Palsies.

Neurologist. 2017 May;22(3):72-76

Authors: Kaas BM, Zee DS, Kheradmand A, Gold DR

Abstract
INTRODUCTION: Pseudoabducens palsy refers to abduction paresis in the absence of a pontine or peripheral nerve process. This finding has been described with mesodiencephalic lesions, and likely has a common mechanism with thalamic esotropia.
CASE REPORT: We describe the case of a 55-year-old man who presented with near-complete ophthalmoparesis, sparing only adduction of the left eye. Magnetic resonance imaging of the brain demonstrated midbrain infarction.
CONCLUSIONS: Pseudoabducens palsy is likely underrecognized, but can be highly localizing when identified. Possible pathophysiologic mechanisms for this finding are discussed.

PMID: 28471893 [PubMed - in process]

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