Long-Term Follow-Up of Monoclonal Gammopathy of Undetermined Significance

Monoclonal gammopathy of undetermined significance (MGUS) is characterized by serum monoclonal protein levels of 3 g/dL or lower and no clinical evidence of myeloma or related disorders. By some estimates, about 3% of people have MGUS by age 70. Researchers now provide complete follow-up of 241 patients with MGUS who were first seen …