Optic nerve glioma

Optic nerve glioma
Magnetic resonance image of a large retrobulbar optic nerve tumor causing massive proptosis
SpecialtyOncology 

Optic nerve glioma (or optic glioma), a form of glioma which affects the optic nerve, is often one of the central nervous system manifestations of neurofibromatosis 1.

Optic gliomas are usually pilocytic tumors, and can involve the optic nerve or optic chiasm. Optic gliomas are usually associated with neurofibromatosis type 1 in 30% of people with the condition.

Optic nerve gliomas have low mortality but extremely high prevalence of vision loss and eye-bulging exophthalmos) in children. As of 2014, approximately 1000 cases had been reported.

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