Multiple myeloma

Also known as plasma cell myeloma. A plasma cell neoplasm that is usually characterized by increased numbers (10% or more) of monoclonal plasma cells in the bone marrow. Two main types: Asymptomatic (Smoldering) and Symptomatic (characterized by one or more of the following CRAB findings: Remember "CRAB", C for hyperCalcemia, R for Renal disease associated with multiple myeloma, A for anemia associated with the multiple myeloma, and B for lytic Bone lesions).