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Monitoring Changes in the Intracellular Calcium Concentration and Synaptic Efficacy in the Mollusc Aplysia
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Fourth down and five.

Jennifer Lira1, Sidney M Gospe1, M Tariq Bhatti2

  • 1Department of Ophthalmology, Duke Eye Center and Duke University Medical Center Durham, North Carolina, USA.

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|July 1, 2018
PubMed
Summary
This summary is machine-generated.

A woman developed double vision and facial numbness after brain surgery for glioblastoma. This was diagnosed as palsies of cranial nerves IV and V, likely due to the surgery.

Keywords:
cranial nerve palsydiplopiafacial numbnessfourth cranial nervetemporal lobe

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Area of Science:

  • Neurology
  • Neurosurgery
  • Ophthalmology

Background:

  • Glioblastoma resection can lead to cranial nerve dysfunction.
  • Temporal lobe surgery carries risks of iatrogenic injury to nearby cranial nerves.

Observation:

  • A 52-year-old woman presented with binocular diplopia and right hemifacial numbness post-right temporal lobe glioblastoma resection.
  • Parks-Bielschowsky 3-step test diagnosed right cranial nerve (CN) IV palsy and right CN V dysfunction.

Findings:

  • The patient's symptoms suggest iatrogenic injury to cranial nerves IV and V.
  • The close proximity of CN IV and CN III to the mesial temporal lobe explains potential diplopia.
  • Injury to CN V within Meckel cave may cause facial numbness after temporal lobe surgery.

Implications:

  • Understanding the anatomical relationships is crucial for preventing iatrogenic cranial nerve palsies.
  • This case highlights potential neurological complications following temporal lobe glioblastoma surgery.
  • Further review of CN IV anatomy and palsy etiologies is warranted.