Journal List > J Korean Rheum Assoc > v.17(4) > 1003766

Jeong, Kim, Kim, Kim, Park, Shin, and Park: A Case of Non Secretory Type Multiple Myeloma Associated with Systemic Lupus Erythematosus

Abstract

The development of malignant tumors is a more frequent finding in lupus patients than the general population. However, the incidence of multiple myeloma associated with systemic lupus erythematosus (SLE) is a rare manifestation. SLE is an autoimmune disease characterized by B cell hyperactivity, formation of autoantibodies, and multi-clonal hypergammaglobulinemia. Serum immunoglobulin increases, with a specific increase in IgG, which is due to an increase in autoantibody formation related to extrinsic and intrinsic antigens. We report on a patient with SLE combined with IgG, lambda type nonsecretory multiple myeloma, which was diagnosed with refractory anemia and hypergammaglobulinemia.

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Fig. 1.
Focal erythematous to brown colored papulopatches are evident on the forehead, with a butterfly- shaped malar rash across the cheeks except for the nasonabial fold.
jkra-17-431f1.tif
Fig. 2.
Serum protein electrophoresis shows polyclonal gammopathy (A). Serum immunefixation electrophoresis shows no monoclonal gammopathy (B).
jkra-17-431f2.tif
Fig. 3.
Bone marrow aspiration smear shows an increased number of abnormal plasma, cells with an eccentric nucleus composed of densely basophillic cytoplasm, and a perinuclear clear zone (A, ×400, hematoxylin and eosin [H/E]) (B, ×1,000, H/E). Bone marrow biopsy is dyed with Ig G stain (C, ×200) and lambda stain (D, ×1,000).
jkra-17-431f3.tif
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