Plasma CellsMultiple MyelomaParaproteinemiasBone MarrowBone Marrow CellsPrognosisFlow CytometryParaproteinsB-LymphocytesAmyloidosisBone Marrow TransplantationBone and BonesAntibodies, MonoclonalLeukemia, Plasma CellBone Marrow ExaminationBone RemodelingBone Marrow DiseasesNeoplasms, Plasma CellBone Marrow NeoplasmsHematopoietic Stem CellsBone DensityPlasmaBone ResorptionCell DifferentiationBone Marrow PurgingMice, Inbred C57BL