Immunoglobulin D Multiple Myeloma, a More Aggressive Subtype

Eman EL-Sawalhy^1, , Najlaa Al-Sudani¹, Wehbi Hnayni¹ and Shahina Patel²

¹Department of Internal medicine, Beaumont Hospital, Dearborn, MI

²Division of Hematology & Oncology, Internal Medicine Department, Beaumont Hospital, Dearborn, MI

Cite this paper:
Eman EL-Sawalhy, Najlaa Al-Sudani, Wehbi Hnayni and Shahina Patel. Immunoglobulin D Multiple Myeloma, a More Aggressive Subtype. American Journal of Medical Case Reports. 2021; 9(5):301-304. doi: 10.12691/ajmcr-9-5-11

Abstract

Immunoglobulin D (IgD) multiple Myeloma (MM) is a very rare subtype of myeloma. It accounts for only 1-2% of all MM patients. It is associated with a rapidly progressive disease and poorer outcomes compared with other MM subtypes. In this case report, we present a case of a sixty-year-old man who presented to our hospital with fatigue, anemia, thrombocytopenia, and acute renal failure. His bone marrow biopsy during admission showed 75.9% of plasma cells with significant light chain burden. He was also found to have severe immunoglobulin deficiency along with a lambda to kappa ratio was <0.01. The diagnosis of IgD MM was established, and he was started on CyBorD (Bortezomib, cyclophosphamide, and dexamethasone). Our patient also required hemodialysis for his kidney failure.

Keywords:
Immunoglobulin D multiple myeloma renal failure light chain nephropathy CyBorD

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