Monoclonal gammopathy of undetermined significance with multiple paraproteins: A population‐based screening study

Autor: Sæmundur Rögnvaldsson, Jón Þ. Óskarsson, Sigrun Thorsteinsdóttir, Malin Hultcrantz, Robert Palmason, Ingigerdur S. Sverrisdottir, Elias Eythorsson, Thorir E. Long, Isleifur Olafsson, Ingunn Thorsteinsdottir, Brynjar Vidarsson, Pall T. Onundarson, Bjarni A. Agnarsson, Margret Sigurdardottir, Asbjorn Jonsson, Brian G. M. Durie, Stephen Harding, Ola Landgren, Thorvardur J. Love, Sigurdur Y. Kristinsson
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: HemaSphere, Vol 8, Iss 11, Pp n/a-n/a (2024)
Druh dokumentu: article
ISSN: 2572-9241
DOI: 10.1002/hem3.70046
Popis: Abstract Monoclonal gammopathy of undetermined significance (MGUS) is the precursor of multiple myeloma (MM) and related disorders. MGUS is characterized by asymptomatic paraproteinemia. In some cases, multiple paraproteins can be identified but the clinical implications of this phenomenon are poorly understood. In this study, we aim to inform the approach to this challenging MGUS subgroup by utilizing data from iStopMM, a population‐based screening study and randomized trial of follow‐up strategies. In total, 75,422 Icelanders over the age of 40 were screened for MGUS with 3389 (4.4%) having at least one paraprotein of whom 303 (9%) had multiple paraproteins. IgM paraproteins were more common in those with multiple paraproteins (49% vs. 27% of paraproteins, p
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