Summary
We describe a unique case of IgG lambda myeloma in which a plasma cell leukemia developed and the paraprotein changed from IgG lambda to lambda chain, the latter inducing fatal renal failure. In addition, J-chain was detected in the cytoplasm of the plasma cell leukemia cells.
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References
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Sawamura, M., Murayama, K., Tokizawa, S. et al. Change of paraprotein from IgG lambda to lambda chain in myeloma. Ann Hematol 66, 215–216 (1993). https://doi.org/10.1007/BF01703239
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DOI: https://doi.org/10.1007/BF01703239