Source:http://linkedlifedata.com/resource/umls/id/C1959632
CSP: new abnormal plasma cells that grow by excessive cellular division and proliferation more rapidly than normal and continue to grow after the stimuli that initiated the new growth cease.,MSH: Neoplasms associated with a proliferation of a single clone of PLASMA CELLS and characterized by the secretion of PARAPROTEINS.,NCI: A malignant (clonal) proliferation of immunoglobulin secreting plasma cells. Plasma cells are of B cell origin, and are grouped under Mature B-Cell Neoplasm in the WHO classification. (WHO, 2001)