Waldenström’s macroglobulinemia (WM) is a distinct B-cell malignancythat results from the accumulation, predominantly in the bone marrow, of clonally related B type lymphocytes, lymphoplasmacytic cells and plasma cells which secrete a monoclonal IgM protein.1 This condition is considered to correspond to the lymphoplasmacytic lymphoma (LPL) as defined by the World Health Organization classification system.2 Most cases of LPL are WM, with less than 5% of cases made up of IgA, IgG and non-secreting LPL ...
