Guillain-Barré syndrome MRI


 * Associate Editors-In-Chief: Priyamvada Singh, MBBS [mailto:psingh@perfuse.org]

Overview
Guillain-Barré syndrome (GBS) is usually diagnosed clinically. However, MRI may be used as an adjunct to the clinical and Laboratory tests. MRI findings suggestive of Guillian Barre syndrome are anterior and cauda equina nerve root enhancement.

MRI

 * The MRI findings in Guillain-Barré syndrome are not-specific.
 * Thus, MRI is used as an adjunct to clinical presentation and laboratory tests.
 * Inflammatory conditions present as nerve root enhancement on MRI. This is due to the loss of blood brain barrier that accompanies an inflammatory condition. Features on MRI suggestive of GBS are:
 * Selective anterior nerve root enhancement
 * Nerve root enhancement of the cauda equina