When is gadolinium-enhanced MRI indicated in the diagnosis of Bell palsy (idiopathic facial paralysis) (IFP)?

Updated: Jun 14, 2019
  • Author: Danette C Taylor, DO, MS, FACN; Chief Editor: Selim R Benbadis, MD  more...
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Answer

Perform gadolinium-enhanced MRI when findings are atypical or when the facial nerve paralysis appears central, to rule out a tumor or vascular compression. [38] Increased signal intensity of the premeatal or intratemporal segment of the facial nerve after administration of gadolinium has been noted in patients with Bell palsy. [39, 40] Attempts to correlate outcome with quantification of signal intensity increases have yielded contradictory results.


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