Waldenström's macroglobulinemia laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Mohsin, M.D.[2], Roukoz A. Karam, M.D.[3], Mirdula Sharma, MBBS [4]; ; Grammar Reviewer: Natalie Harpenau, B.S.[5]

Overview

Laboratory findings consistent with the diagnosis of Waldenström's macroglobulinemia include any cytopenia, elevated LDH, and elevated Beta-2 microglobulin.

Laboratory Findings

WM is mostly suspected when a patient has low blood counts and/or high levels of unusual protein levels on blood tests. Usually after that, a blood test called serum protein electrophoresis is ordered to find out what type of protein is there. Typically, after these tests are done that a biopsy of either the bone marrow or a lymph node is considered to confirm the WM diagnosis. Laboratory findings consistent with the diagnosis of Waldenström macroglobulinemia include:[1]

References

  1. García-Sanz R, Montoto S, Torrequebrada A, de Coca AG, Petit J, Sureda A; et al. (2001). "Waldenström macroglobulinaemia: presenting features and outcome in a series with 217 cases". Br J Haematol. 115 (3): 575–82. PMID 11736938.
  2. Katzmann JA, Kyle RA, Benson J, Larson DR, Snyder MR, Lust JA; et al. (2009). "Screening panels for detection of monoclonal gammopathies". Clin Chem. 55 (8): 1517–22. doi:10.1373/clinchem.2009.126664. PMC 3773468. PMID 19520758.
  3. Penny R, Castaldi PA, Whitsed HM (1971). "Inflammation and haemostasis in paraproteinaemias". Br J Haematol. 20 (1): 35–44. PMID 4924493.
  4. Xu L, Hunter ZR, Yang G, Zhou Y, Cao Y, Liu X; et al. (2013). "MYD88 L265P in Waldenström macroglobulinemia, immunoglobulin M monoclonal gammopathy, and other B-cell lymphoproliferative disorders using conventional and quantitative allele-specific polymerase chain reaction". Blood. 121 (11): 2051–8. doi:10.1182/blood-2012-09-454355. PMC 3596964. PMID 23321251.

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