AJDRAJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology, Vol 14, Issue 5 1253-1254, Copyright © 1993 by American Society of Neuroradiology


ARTICLES

Neurilemmoma of the oculomotor nerve presenting as an orbital mass: MR findings

WC Shen, DY Yang, WL Ho, YJ Ho and SK Lee
Department of Radiology, Taichung Veterans General Hospital, Taiwan, Republic of China.

Neurilemmoma of the oculomotor nerve is rare and infrequently presents as an orbital mass. We report a neurilemmoma arising from the cavernous sinus with its major part extending into the orbit. The Antoni A part of the neurilemmoma showed intermediate signal intensity in both T1- and T2-weighted MR images and exhibited postcontrast enhancement. The Antoni B part revealed hypointensity on T1-weighted images, hyperintensity in T2-weighted images, and showed no contrast enhancement.