Normal facial nerve enhancement on MRI

The normal facial nerve (CN VII) can demonstrate some enhancement post gadolinium administration in upto 76% of examinations, and in 69% of cases is asymmetric left-to-right. It has been attributed to the circumneural facial arteriovenous plexus.

Typically enhancement is seen:

No enhancement should be seen in:

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rID: 1738
Synonyms or Alternate Spellings:
  • Normal facial nerve enhancement - MRI

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