Laboratory Investigations and Findings: Hematological Abnormalities, Biochemical Investigations, Free Light and Heavy Chains

Waldenstrom macroglobulinemia (WM) is a distinct B-cell lymphoproliferative disorder characterized by bone marrow infiltration of lymphoplasmacytic cells along with production of an IgM monoclonal protein in the serum. It can be associated to various complications related to tumor infiltration or to the serum monoclonal component.