• A 21-year-old patient with a biopsyproved choristomatous malformation of the optic nerve and chiasm is presented. The patient experienced progressive unilateral vision loss and optic atrophy. A gadolinium-enhanced magnetic resonance image demonstrated chiasmal involvement that was not evident on computed tomographic scan or visual field testing. We believe this is the third reported case of a choristomatous malformation of the optic nerve and chiasm and the first report of magnetic resonance imaging findings.
Kazim M, Kennerdell JS, Maroon J, Rothfus W, Marquardt M. Choristoma of the Optic Nerve and Chiasm. Arch Ophthalmol. 1992;110(2):236–238. doi:10.1001/archopht.1992.01080140092034
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