Overview of select subtypes of monoclonal gammopathy of clinical significance. acquired vWD, acquired von Willebrand disease; CAD, cold agglutinin disease; CANOMAD, chronic ataxic neuropathy, ophthalmoplegia, immunoglobulin M paraprotein, cold agglutinins, and disialosyl antibodies; DADS, distal acquired demyelinating symmetric neuropathy; MGRS, monoclonal gammopathy of renal significance; MGTS, monoclonal gammopathy of thrombotic significance; NXG, necrobiotic xanthogranuloma.