RT Book, Section A1 Lichtman, Marshall A. A1 Kaushansky, Kenneth A1 Prchal, Josef T. A1 Levi, Marcel M. A1 Burns, Linda J. A1 Linch, David C. SR Print(0) ID 1189335877 T1 Macroglobulinemia T2 Williams Manual of Hematology, 10e YR 2022 FD 2022 PB McGraw-Hill Education PP New York, NY SN 9781264269204 LK hemonc.mhmedical.com/content.aspx?aid=1189335877 RD 2024/03/29 AB Waldenström macroglobulinemia (WM) is an indolent B-cell neoplasm resulting from the accumulation, predominantly in the marrow, of a clonal population of lymphocytes, lymphoplasmacytic cells, and plasma cells, which secrete a monoclonal immunoglobulin (Ig) M.WM corresponds to lymphoplasmacytic lymphoma (LPL) as defined by the World Health Organization (WHO) classification.Most cases of LPL are WM. Less than 5% of cases are IgA-secreting, IgG-secreting, or nonsecreting LPL.