Waldenstrom macroglobulinemia is a chronic, indolent, lymphoproliferative disorder, which is characterized by the presence of a high macroglobulin (IgM) level, elevated serum viscosity, and the presence of a lymphoplasmacytic infiltrate in the bone marrow. Clinical manifestations may be found due to the presence of IgM paraprotein and malignant lymphoplasmacytic cell infiltration of the bone marrow and other tissues. We reported a case of male patient with Waldenstrom macroglobulinemia and bilateral maxillary sinusitis. He had received symptomatic and antibiotic treatment for his sinusitis, FFP and PRC transfusion to improve his general condition and chemotherapy with CHOP regimen as definitive treatment.
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A Rare Case of Chronic Lymphocytic Leukemia Transforming Into Waldenström Macroglobulinemia During Ibrutinib Therapy.
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December 2024
Endocrinology, State University of New York Downstate Medical Center, Brooklyn, USA.
Chronic lymphocytic leukemia (CLL) can rarely transform into Waldenström macroglobulinemia (WM), posing diagnostic and therapeutic challenges. The diagnosis of WM requires bone marrow infiltration by lymphoplasmacytic cells and the presence of IgM gammopathy. Immunophenotypic markers include FMC7+, CD19+, CD20+, and CD138+.
View Article and Find Full Text PDFBackground: Waldenström's macroglobulinemia (WM) is a very rare disease with an incidence 10times lower than that of multiple myeloma. The incidence of WM is also significantly lower than that of the other CD20+ low-grade lymphomas. The rarity of WM is the reason why registration studies of new drugs used for multiple myeloma or the more common CD20+low-grade lymphomas do not cover WM.
View Article and Find Full Text PDFBackground: Rituximab is already a standard part of the treatment of patients with Waldenström's macroglobulinemia. However, a small proportion of patients develop intolerance to rituximab during administration or the treatment is not very effective. In these patients, we are faced with the question of whether another anti-CD20 monoclonal antibody can be used and what result will be achieved.
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Dipartimento Di Neuroscienze, Università Cattolica del Sacro Cuore, Sede Di Roma, 00168 Rome, Italy.
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View Article and Find Full Text PDFOptimal use of BTK inhibitors in Waldenström's macroglobulinemia: combination or single drug approach?
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Department of Clinical Therapeutics, Faculty of Medicine, National and Kapodistrian University of Athens, 80 Vassilisis Sofias Avenue, Athens 11527, Greece.
Waldenström macroglobulinemia is an indolent B-cell lymphoma which although remains incurable, there are a lot of treatment options. Today, Bruton tyrosine kinase inhibitors have a central role in the management of the disease either as monotherapy or combination with other regimens, due to their efficacy, ease of administration, and safety profile. However, there is still active clinical investigation to further increase their efficacy and improve safety profile.
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