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Related Experiment Videos

[Functional assessment before and after interventions on the optic chiasm system].

Edda Menke1, Edytha Osarovsky, Andreas Reitner

  • 1Universitätsklinik für Neurochirurgie, Wien.

Wiener Klinische Wochenschrift
|November 1, 2002
PubMed
Summary

Surgery for optic chiasm tumors offers excellent visual outcomes. Prompt treatment improves visual acuity and fields, though large tumors may pose risks.

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Long-Term Follow-Up After Translabyrinthine IAC Tumor Removal With Simultaneous Cochlear Implantation.

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2024

Area of Science:

  • Neuro-oncology
  • Ophthalmology
  • Neurosurgery

Context:

  • Tumors in the optic chiasm area frequently cause visual impairment due to compression and vascular issues.
  • Understanding the impact of these tumors on the optochiasmal system is crucial for patient prognosis.

Purpose:

  • To evaluate the functional outcomes (visual acuity and visual field) following surgical intervention for optic chiasm tumors.
  • To correlate pre-operative tumor characteristics with post-operative visual function and establish prognostic indicators.

Summary:

  • Retrospective review of 62 patients with optic chiasm tumors (pituitary adenomas, meningiomas, etc.) treated with transsphenoidal or transcranial surgery.
  • Post-surgery, 42.8% of eyes showed improved visual acuity, 51.6% remained unchanged, and 5.6% deteriorated.

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  • Visual fields improved in 53.2% of patients, remained stable in 37.1%, and worsened in 9.7%.

    • Impact:

    • Both surgical approaches yield excellent visual results, with significant potential for visual acuity and visual field improvement.
    • Prognosis is strongly linked to the initial tumor presentation and morphology.
    • Early and adequate surgical intervention is key, but large supra-/parasellar components may risk post-operative vision decline.