Optic glioma

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Neurofibromatosis I, enlarged optic foramen

Gliomas are tumors that grow in various parts of the brain. Optic gliomas can affect:

• One or both of the optic nerves, which carry visual information to the brain from each eye
• The optic chiasm, the area where the optic nerves cross each other in front of the hypothalamus of the brain

An optic glioma may also grow along with a hypothalamic glioma.

Glioma - optic; Optic nerve glioma

Optic gliomas are rare. The cause of optic gliomas is unknown. Most optic gliomas are slow-growing and non-cancerous (benign) and occur in children, almost always before age 20.

There is a strong association between optic glioma and neurofibromatosis Type 1 (NF1).

Review Date: 06/10/2008
Reviewed By: James R. Mason, MD, Oncologist, Director, Blood and Marrow Transplantation Program and Stem Cell Processing Lab, Scripps Clinic, Torrey Pines, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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