From: Cisternal oculomotor schwannoma: a rare cause of anisocoria with ptosis in a child
MRI Characteristics of3rd nerve Schwannoma |
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1. Nodular lesion usually less than 1Â cm in size |
2. Present in the course of the 3rd nerve either cisternal or intraorbital segment |
3. T1WI Isointense to gray matter |
4. T2WI Isointense to hyperintense |
5. Homogenous enhancement on contrast injection |
6. Size remain Static in due course of time on follow up MRI |