Damla Çağla Patır1, Sibel Demiral Sezer1, Aybüke Olgun2, Harun Akar1

1Department of Internal Medicine, University of Health Sciences, Izmir Tepecik Training and Research Hospital, Izmir, Turkey
2Department of Hematology, University of Health Sciences, İzmir Tepecik Training and Research Hospital, Izmir, Turkey

Keywords: Immunoglobulin M, multiple myeloma, Waldenstrom's macroglobulinemia


Immunoglobulin M (IgM) multiple myeloma is a very rare hematologic malignancy which comprises less than only 0.5% of multiple myeloma (MM) cases. Immunoglobulin M multiple myeloma and Waldenstrom's macroglobulinemia (WM) are two distinct hematologic entities with the common finding of IgM monoclonal gammopathy. This article presents a case of IgM multiple myeloma with increased monoclonal IgM overlapping with multiple myeloma.

Conflict of Interest

The authors declared no conflicts of interest with respect to the authorship and/or publication of this article.

Financial Disclosure

The authors received no financial support for the research and/or authorship of this article.