What is the role of serum autoantibodies testing in the diagnosis of Guillain-Barre syndrome (GBS)?

Updated: Jul 14, 2021
  • Author: Michael T Andary, MD, MS; Chief Editor: Milton J Klein, DO, MBA  more...
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Serum autoantibodies are not measured routinely in the workup of GBS, but results may be helpful in patients with a questionable diagnosis or a variant of GBS. Antibodies to glycolipids are observed in the sera of 60-70% of patients with GBS during the acute phase, with gangliosides being the major target antigens. [111]

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