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Related Experiment Videos

[Visual impairment complicated with meningioma].

N Sakai1, K Nakatani, H Sakai

  • 1Department of Neurosurgery, School of Medicine, Gifu University, Japan.

No to Shinkei = Brain and Nerve
|September 1, 1991
PubMed
Summary

Surgical removal of meningioma can improve vision, but outcomes depend on symptom duration and tumor size. Careful surgical technique is crucial for preserving optic nerve function and feeding arteries.

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Area of Science:

  • Neurosurgery
  • Ophthalmology
  • Oncology

Background:

  • Meningiomas are primary tumors of the meninges.
  • Progressive visual impairment is a common symptom of meningiomas affecting the optic pathways.
  • Surgical intervention is the primary treatment for symptomatic meningiomas.

Observation:

  • This study analyzed 12 patients with meningioma and visual impairment who underwent surgery.
  • Tumor locations included tuberculum sellae, sphenoid ridge, and olfactory groove.
  • Tumor sizes ranged from 2-7 cm, with 8 cases larger than 3 cm.

Findings:

  • Postoperative visual improvement occurred in 58.3% of patients.
  • 16.7% had unchanged vision, and 25.0% experienced worsening, including one malignant case.

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  • Visual outcomes were influenced by symptom duration, tumor size, preoperative impairment, and optic nerve compression/adherence.

    • Implications:

    • Early surgical intervention for meningioma may lead to better visual recovery.
    • Preoperative assessment of visual field and optic nerve status is critical.
    • Meticulous surgical technique, including preservation of optic nerve vasculature, is essential for optimal outcomes.