A Persistent Additional Fraction on Capillary Zone Electrophoresis with Negative Immunofixation Electrophoresis: Paraproteinemia or Pseudoparaproteinemia?

J Appl Lab Med. 2021 Apr 29;6(3):790-794. doi: 10.1093/jalm/jfaa085.

Authors

Katrien Eeckhout¹, Karin Van Cotthem¹, Viviane Van Hoof¹, Khadija Guerti¹

Affiliation

¹ Department of Clinical Chemistry, Antwerp University Hospital, Edegem, Belgium.

PMID: 32984878
DOI: 10.1093/jalm/jfaa085

No abstract available

Keywords: Agarose gel electrophoresis; capillary zone electrophoresis; false-negative; monoclonal protein; serum protein electrophoresis.

MeSH terms

Electrophoresis, Capillary*
Humans
Immunoelectrophoresis
Paraproteinemias* / diagnosis