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Preservation of visual fields with the inferior temporal gyrus approach to the atrium

Vikram V Nayar1, Rod Foroozan, Jeffrey S Weinberg

  • 1Department of Neurosurgery, Baylor College of Medicine, Houston, Texas, USA.

Journal of Neurosurgery
|February 10, 2009
PubMed

Insights

This study presents a novel surgical approach for brain tumors in the lateral ventricle atrium, avoiding optic radiation damage. Neuroophthalmological testing confirmed full visual field preservation in two meningioma resection cases.

Area of Science:

  • Neurosurgery
  • Neuroanatomy
  • Neuro-oncology

Background:

  • Resection of tumors in the lateral ventricle atrium presents surgical challenges.
  • Transcortical approaches often risk damage to adjacent optic radiations.
  • Anatomical studies suggest an inferior temporal gyrus approach may preserve visual pathways.

Observation:

  • Two cases of meningioma located in the lateral ventricle atrium were analyzed.
  • A surgical approach utilizing an incision in the inferior temporal gyrus was employed.
  • This approach aimed to circumvent the optic radiations.

Findings:

  • The inferior temporal gyrus approach successfully exposed and resected the atrial meningiomas.
  • Post-operative neuroophthalmological testing demonstrated complete preservation of visual fields.
  • No damage to the optic radiations was observed.

Implications:

  • The inferior temporal gyrus approach offers a viable alternative for atrial tumor resection.
  • This technique minimizes the risk of visual field deficits.
  • Further studies can explore this approach for other intraventricular tumors.

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