Multiple Myeloma

Abstract
Multiple myeloma is a disorder in which malignant plasma cells accumulate in the bone marrow and produce an immunoglobulin, usually monoclonal IgG or IgA. Common complications of overt multiple myeloma include recurrent bacterial infections, anemia, osteolytic lesions, and renal insufficiency. Multiple myeloma is responsible for about 1 percent of all cancer-related deaths in Western countries. Its epidemiologic pattern remains obscure, and its cause is unknown.1 Monoclonal Gammopathy of Undetermined Significance and the Natural History of Multiple MyelomaA monoclonal gammopathy of undetermined significance is marked by the presence in the serum of monoclonal IgG or IgA without evidence of multiple . . .