Mastoid segment facial nerve schwannoma

Case contributed by Dr Charlie Chia-Tsong Hsu

Presentation

MRI brain for surgical planning of left posterior fossa meningioma.

Patient Data

Age: 63

MRI brain gadolinium enhanced T1 weighted images demonstrate an enhancing nodule in the mid segment of the right facial nerve (arrow). The normal mastoid segment of the left facial nerve is also shown (arrow head). This is an incidental finding and the evaluated left posterior meningioma is not shown. 

Case Discussion

Facial nerve schwannoma is a rare benign tumor. As schwannomas elsewhere it originates from the surface of the nerve, and displace and splay the nerve fibers over their eccentric growth. 

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Case information

rID: 38764
Published: 2nd Aug 2015
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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