Waldenström's macroglobulinemia pathophysiology

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Roukoz A. Karam, M.D.[2] Mirdula Sharma, MBBS [3]

Overview

Waldenström macroglobulinemia is an uncontrolled clonal proliferation of terminally differentiated B lymphocytes (plasma cells), which are normally involved in humoral immunity. Genes involved in the pathogenesis of Waldenström macroglobulinemia include MYD88-L265P, and CXCR4.

Pathophysiology

Genetics

Epigenetics

Associated Conditions

Several studies showed an increased incidence of following second cancers in patients with Waldenström macroglobulinemia:[8]

Microscopic Pathology

Following are the images of microscopic histology of Waldenström's macroglobulinemia:

Immunohistochemistry

Malignant cells in Waldenström macroglobulinemia:[3]

References

  1. Royer RH, Koshiol J, Giambarresi TR, Vasquez LG, Pfeiffer RM, McMaster ML (2010). "Differential characteristics of Waldenström macroglobulinemia according to patterns of familial aggregation". Blood. 115 (22): 4464–71. doi:10.1182/blood-2009-10-247973. PMC 2881498. PMID 20308603.
  2. Treon SP, Hunter ZR, Aggarwal A, Ewen EP, Masota S, Lee C; et al. (2006). "Characterization of familial Waldenstrom's macroglobulinemia". Ann Oncol. 17 (3): 488–94. doi:10.1093/annonc/mdj111. PMID 16357024.
  3. 3.0 3.1 3.2 Ngo VN, Young RM, Schmitz R, Jhavar S, Xiao W, Lim KH, Kohlhammer H, Xu W, Yang Y, Zhao H, Shaffer AL, Romesser P, Wright G, Powell J, Rosenwald A, Muller-Hermelink HK, Ott G, Gascoyne RD, Connors JM, Rimsza LM, Campo E, Jaffe ES, Delabie J, Smeland EB, Fisher RI, Braziel RM, Tubbs RR, Cook JR, Weisenburger DD, Chan WC, Staudt LM (2011). "Oncogenically active MYD88 mutations in human lymphoma". Nature. 470 (7332): 115–9. doi:10.1038/nature09671. PMID 21179087.
  4. Steven P. Treon, Lian Xu, Guang Yang, Yangsheng Zhou, Xia Liu, Yang Cao, Patricia Sheehy, Robert J. Manning, Christopher J. Patterson, Christina Tripsas, Luca Arcaini, Geraldine S. Pinkus, Scott J. Rodig, Aliyah R. Sohani, Nancy Lee Harris, Jason M. Laramie, Donald A. Skifter, Stephen E. Lincoln & Zachary R. Hunter (2012). "MYD88 L265P somatic mutation in Waldenstrom's macroglobulinemia". The New England journal of medicine. 367 (9): 826–833. doi:10.1056/NEJMoa1200710. PMID 22931316. Unknown parameter |month= ignored (help)
  5. Zachary R. Hunter, Lian Xu, Guang Yang, Yangsheng Zhou, Xia Liu, Yang Cao, Robert J. Manning, Christina Tripsas, Christopher J. Patterson, Patricia Sheehy & Steven P. Treon (2014). "The genomic landscape of Waldenstrom macroglobulinemia is characterized by highly recurring MYD88 and WHIM-like CXCR4 mutations, and small somatic deletions associated with B-cell lymphomagenesis". Blood. 123 (11): 1637–1646. doi:10.1182/blood-2013-09-525808. PMID 24366360. Unknown parameter |month= ignored (help)
  6. Roelandt F. J. Schop, W. Michael Kuehl, Scott A. Van Wier, Gregory J. Ahmann, Tammy Price-Troska, Richard J. Bailey, Syed M. Jalal, Ying Qi, Robert A. Kyle, Philip R. Greipp & Rafael Fonseca (2002). "Waldenstrom macroglobulinemia neoplastic cells lack immunoglobulin heavy chain locus translocations but have frequent 6q deletions". Blood. 100 (8): 2996–3001. doi:10.1182/blood.V100.8.2996. PMID 12351413. Unknown parameter |month= ignored (help)
  7. Waldenström macroglobulinemia. International Waldenström Macroglobulinemia foundation (2015)http://www.iwmf.com/sites/default/files/docs/WM_Review_Ghobrial_Jan2014.pdf Accessed on November 12, 2015
  8. Morra E, Varettoni M, Tedeschi A, Arcaini L, Ricci F, Pascutto C, Rattotti S, Vismara E, Paris L, Cazzola M (2013). "Associated cancers in Waldenström macroglobulinemia: clues for common genetic predisposition". Clin Lymphoma Myeloma Leuk. 13 (6): 700–3. doi:10.1016/j.clml.2013.05.008. PMID 24070824.
  9. Chi PJ, Pei SN, Huang TL, Huang SC, Ng HY, Lee CT (2014). "Renal MALT lymphoma associated with Waldenström macroglobulinemia". J. Formos. Med. Assoc. 113 (4): 255–7. doi:10.1016/j.jfma.2011.02.007. PMID 24685302.

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