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Facial nerve schwanoma

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xXx Galleries Facial nerve schwanoma.
Facial nerve schwannomas are rare....

They can present with a wide variety of symptoms. More frequently they present with gradual, and often incomplete, facial nerve palsy. A rapid onset which mimics Bells palsy is certainly recognised.

A vestibular schwannoma, often termed...

Mass effect on adjacent nerves may well cause sensory neural hearing loss SNHL or even conductive hearing loss if growth into the middle ear impairs the normal function of the ossicles. This allows for potential resection of the tumour while sparing the nerve.

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Similar to acoustic schwannomasthey may grow to a quite sizable extent and exert positive mass effect with growth into the cerebellopontine angle. There is a predilection for the region of the geniculate ganglion.

Imaging characteristics of the tumour itself is the same as that of schwannomas elsewhere: The best clue that a schwannoma is of the facial nerve rather than the more common vestibulochoclear nerve CN VIII is expansion extending along the facial nerve canal - especially along the labyrinthine segment. Bony scalloping and remodelling may be present.

BACKGROUND AND PURPOSE: The imaging...

Failure to preoperatively diagnose bony erosion can lead to postoperative fistula formation. You can also scroll through stacks with your mouse wheel or the keyboard arrow keys. Unable to process the form.


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