ICD-11 definition : A bone marrow-based plasma cell neoplasm usually characterized by a serum monoclonal
protein and/or urinary light chains. CRAB criteria (osteolytic lesions, hypercalcaemia,
renal failure, and anemia) separate symptomatic plasma cell myeloma form asymptomatic
(smoldering) myeloma.;
A bone marrow-based plasma cell neoplasm usually characterized by a serum monoclonal
protein and/or urinary light chains. CRAB criteria (osteolytic lesions, hypercalcaemia,
renal failure, and anemia) separate symptomatic plasma cell myeloma form asymptomatic
(smoldering) myeloma.