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Updated: Jan 22, 2026

Author Spotlight: Advancing Traumatic Brain Injury Research - A Closed-Head Model for Accurate Replication and Rapid Assessment
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Author Spotlight: Advancing Traumatic Brain Injury Research - A Closed-Head Model for Accurate Replication and Rapid Assessment

Published on: September 22, 2023

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Isolated medial rectus palsy following closed head injury

David Thean1, Alex Lam1, Stephen Honeybul1

  • 1Department of Neurosurgery, Royal Perth Hospital, Perth, Western Australia, Australia.

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia
|June 29, 2019
PubMed

Insights

Isolated medial rectus palsy after head injury is uncommon. This case report details a patient with isolated right medial rectus palsy following head trauma, highlighting potential oculomotor nucleus ischemia.

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Traumatology

Background:

  • Isolated traumatic medial rectus palsy is a rare clinical finding.
  • Closed head injuries can lead to complex neurological deficits.

Observation:

  • A 48-year-old male experienced isolated right medial rectus palsy after a mechanical fall with an occipital headstrike.
  • Computed tomography (CT) revealed bifrontal and bitemporal hemorrhagic contusions.

Findings:

  • Magnetic resonance imaging (MRI) identified a T2 hyperintense lesion in the right paramedian dorsal midbrain.
  • Diffusion-weighted imaging (DWI) and apparent diffusion coefficient (ADC) changes suggested ischemic injury to the oculomotor nucleus.

Implications:

  • This case expands the understanding of oculomotor nerve injuries following traumatic brain injury.
  • It underscores the importance of advanced neuroimaging in diagnosing subtle brainstem injuries.
Keywords:
Closed head injuryMedial rectus palsyTrauma

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