Pathology Misc. (W.B.C) ef80da19 Lymphoplasmacytoid lymphomas may be associated with A IgG B IgM C IgA D IgE High-Yield Explanation Ans. (b) IgM(Ref: Robbins 9th/pg 598-602)Lymphoplasmacytic cell proliferation in marrow (Lymphoplasmacytic lymphoma) with secretion of IgM