Optic nerve glioma CT
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]
Overview
Overview
On head and neck CT, optic nerve glioma is characterized by variably enlarged and elongated optic nerve with kinking or buckling.
CT
CT
On head and neck CT, the optic nerve is variably enlarged, and the mass may either be fusiform or exophytic in appearance. Additionally the nerve may be elongated with kinking or buckling.[1] CT scan is superior for detection of intratumoral calcifications, which suggest low grade histology and for bone details. Following three typical patterns are seen on CT scan:
- Suprasellar tumor with involvement of optic tract
- Suprasellar tumor with expansion of contiguous optic nerve
- Tubular thickening of the chiasm and the optic nerve
References
References
- ↑ Optic nerve glioma. Radiopedia(2015) http://radiopaedia.org/articles/optic-nerve-glioma Accessed on October 5 2015
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