Guillain-Barré syndrome MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Priyamvada Singh, MBBS [2]

MRI

• MRI may be helpful in the diagnosis of Guillain Barre syndrome. Findings on MRI suggestive of Guillain Barre syndrome include:
  • Anterior and posterior nerve root enhancement.
  • cauda equina enhancement.

NOTE: The underlying etiology of these findings is blood brain barrier disruption due to inflammation.