Normal facial nerve enhancement on MRI

The normal facial nerve (CN VII) can demonstrate some enhancement post gadolinium administration in up to 76% of examinations, and in ~70% of cases is asymmetric left-to-right. It has been attributed to the circumneural facial arteriovenous plexus.

Typical sites of enhancement:

No enhancement should be seen in:

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Article information

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

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