Immunoglobulin Light ChainsImmunoglobulin lambda-ChainsParaproteinemiasImmunoglobulin kappa-ChainsBlood Protein ElectrophoresisMultiple MyelomaAmyloidosisFlow CytometryBence Jones ProteinNephelometry and TurbidimetryMyeloma ProteinsMonoclonal Gammopathy of Undetermined SignificanceMyosin Light ChainsLightImmunoassayOligoclonal BandsNeurosyphilisImmunoelectrophoresisWaldenstrom MacroglobulinemiaPlasma CellsImmunoglobulin Heavy ChainsPlasmacytomaElectrophoresisImmunoglobulinsMyosin-Light-Chain KinaseBiological MarkersThyroxineImmunoglobulin MMyosinsChorionic Gonadotropin, beta Subunit, HumanSerumImmunoglobulin GPrognosisPregnancy-Associated Plasma Protein-ATumor Markers, BiologicalRegional Blood FlowImage CytometryMultiple SclerosisCells, CulturedMolecular Sequence DataPredictive Value of TestsProspective StudiesTriiodothyronineAmino Acid SequenceGene Rearrangement, B-Lymphocyte, Light ChainTime FactorsBlood Flow VelocityRetrospective StudiesKaplan-Meier EstimateTreatment OutcomeFatty Acids, NonesterifiedPolymerase Chain ReactionThyrotropinLaser Scanning CytometryThyroxine-Binding ProteinsNuchal Translucency MeasurementThyroid Function TestsHypothyroidismSerum AlbuminCulture Media, Serum-Free