Which serum protein electrophoresis findings are consistent with Waldenström macroglobulinemia?

Updated: Feb 01, 2021
  • Author: Karen Seiter, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

Serum protein electrophoresis results indicate evidence of a monoclonal spike but cannot establish the spike as IgM. An M component with beta-to-gamma mobility is highly suggestive of Waldenström macroglobulinemia.


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