Monoclonal Gammopathy of Undetermined SignificanceParaproteinemiasPlasma CellsMultiple MyelomaHypergammaglobulinemiaWaldenstrom MacroglobulinemiaLeukemia, Plasma CellParaproteinsPOEMS SyndromeNeoplasms, Plasma CellBlood Protein ElectrophoresisAntibodies, MonoclonalImmunoglobulin kappa-ChainsImmunoglobulin lambda-ChainsMyeloma ProteinsImmunoglobulin MAmyloidosisBence Jones ProteinPolyneuropathiesBone MarrowImmunoglobulin Light ChainsNecrobiotic XanthogranulomaPlasmacytomaImmunoglobulin ASchnitzler SyndromeImmunoglobulin GSkin Diseases, MetabolicPeripheral Nervous System DiseasesImmunoglobulinsChromosomes, Human, Pair 13Disease ProgressionBone Marrow ExaminationB-LymphocytesPlasmaBlood Protein DisordersGlomerulonephritis, MembranoproliferativeCapillary Leak SyndromeImmunoglobulin Heavy ChainsChromosomes, Human, Pair 14ImmunophenotypingMyelin P0 ProteinImmunoglobulin IsotypesPrognosisTranslocation, GeneticBiopsyLymphomaChromosomes, Human, Pair 4Pyoderma GangrenosumClone CellsGranuloma, Plasma CellLymphoproliferative DisordersBone Marrow CellsFluorescent Antibody TechniqueIn Situ Hybridization, FluorescenceChromosomes, Human, Pair 11Flow CytometryDonor SelectionSyndecan-1Antigens, CDTime FactorsAntibody SpecificityPrecancerous ConditionsDemyelinating DiseasesBone DiseasesRisk FactorsEpitopesNeoplasm ProteinsMelphalanbeta 2-MicroglobulinChromosome AberrationsImmunohistochemistryAutoantibodiesNeoplasmsMinnesotaPancreatic NeoplasmsRetrospective StudiesFollow-Up StudiesElectrophoresisSwedenEnzyme-Linked Immunosorbent AssayMice, Inbred BALB CCase-Control StudiesBiological MarkersTreatment OutcomeCell Transformation, NeoplasticImmunoelectrophoresisAntigens, NeoplasmHybridomasGene Expression Regulation, NeoplasticBlood ProteinsTransplantation, AutologousMolecular Sequence DataNeoplasms, Cystic, Mucinous, and SerousScleromyxedemaImmunoenzyme TechniquesCohort StudiesCell Membrane