Management of optic nerve gliomas

Area of Science:

• Ophthalmology
• Neurology
• Oncology

Background:

• Orbital optic nerve gliomas are tumors affecting the optic nerve.
• Long-term outcomes and management strategies require further elucidation.

Observation:

• Seventeen patients with suspected orbital optic nerve gliomas were followed for up to 12 years.
• Optic canal enlargement was noted in 15/16 patients but was unreliable for tumor extent.
• Tumor behavior varied, with stable disease in 9 and progressive enlargement in 8.

Findings:

• Stable gliomas often showed optic atrophy and were associated with neurofibromatosis (7/9).
• Progressive gliomas presented with swollen discs and lower rates of neurofibromatosis (3/8).
• Optic nerve biopsies were often unhelpful for management decisions.

Implications:

• Radical surgery is recommended only for progressive tumors without chiasmal involvement.
• Careful monitoring and tailored management are crucial for orbital optic nerve gliomas.
• Understanding tumor behavior aids in surgical decision-making and patient outcomes.