Purpura, Thrombocytopenic, IdiopathicPurpura, Thrombotic ThrombocytopenicPurpura, ThrombocytopenicPurpuraPurpura, Schoenlein-HenochAutoimmune DiseasesPlatelet CountPlasma ExchangeSplenectomyThrombocytopeniaADAM ProteinsAutoantibodiesPurpura FulminansBlood PlateletsPlatelet TransfusionHemolytic-Uremic SyndromeImmunoglobulins, IntravenousPlasmapheresisDanazolPregnancy Complications, HematologicRho(D) Immune GlobulinAntigens, Human PlateletEcchymosisThrombopoietinvon Willebrand FactorLupus Erythematosus, SystemicPurpura, HyperglobulinemicOklahomaImmunoglobulin GMegakaryocytesAutoimmunityAnemia, Hemolytic, AutoimmuneAutoantigensThrombopoiesisMetalloendopeptidasesAntibodies, Monoclonal, Murine-DerivedReceptors, ThrombopoietinThrombotic MicroangiopathiesImmunologic FactorsAnemia, HemolyticAntibodies, AntinuclearSpleenPlatelet Membrane GlycoproteinsAntibodies, MonoclonalChronic DiseaseAdrenal Cortex HormonesImmunosuppressive AgentsPrednisoloneHemorrhageEncephalomyelitis, Autoimmune, ExperimentalT-LymphocytesRecurrenceDisseminated Intravascular CoagulationSjogren's SyndromeIsoantibodiesAntigen-Antibody ComplexHematologyPlasmaFatal OutcomeTreatment OutcomeB-LymphocytesMethylprednisoloneThrombocytosisAcute DiseaseHemoglobinuriaMice, Inbred C57BLNephritisPhenazopyridineAutoimmune Diseases of the Nervous SystemLymphocyte ActivationImmune System DiseasesBlood TransfusionAntibody SpecificityPlatelet Glycoprotein GPIb-IX ComplexTuberculosis, SplenicDisease Models, AnimalPlatelet AggregationMice, Inbred MRL lprOrgan TransplantationPrednisonegamma-GlobulinsFlow CytometryVasculitis, Leukocytoclastic, CutaneousGingival HemorrhageEpistaxisTissue and Organ ProcurementReceptors, FcSteroidsAntigens, CD20Remission InductionRetrospective StudiesArthritis, RheumatoidBleeding TimePancytopeniaDiabetes Mellitus, Type 1Time FactorsHematologic DiseasesT-Lymphocytes, RegulatoryEnzyme-Linked Immunosorbent AssayHELLP Syndrome