VasculitisAntibodies, Antineutrophil CytoplasmicAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisMyeloblastinAntibodies, Monoclonal, Murine-DerivedWegener GranulomatosisAntibodiesChurg-Strauss SyndromeAntibodies, MonoclonalSystemic VasculitisRetinal VasculitisMicroscopic PolyangiitisAntibody SpecificityPolyarteritis NodosaPeroxidaseAntigens, CD20GlomerulonephritisAutoantibodiesVasculitis, Central Nervous SystemFluorescent Antibody Technique, IndirectAntibodies, ViralPropylthiouracilSerine EndopeptidasesVasculitis, Leukocytoclastic, CutaneousAntibodies, BacterialNeutrophilsImmunologic FactorsAntithyroid AgentsPurpura, Schoenlein-HenochCyclophosphamideEnzyme-Linked Immunosorbent AssayImmunosuppressive AgentsFluorescent Antibody TechniqueAntibody FormationAntibodies, AntinuclearAntibodies, NeutralizingImmunoglobulin GAutoimmune DiseasesSkin Diseases, VascularPrednisoloneRemission InductionTreatment OutcomeLymphoma, FollicularAutoantigensAntibody AffinityRecurrenceAntibodies, Anti-IdiotypicPlasma ExchangeNeutrophil ActivationCryoglobulinemiaEndocarditis, Subacute BacterialMethylprednisoloneRheumatoid VasculitisLysosomal-Associated Membrane Protein 2Biological MarkersPrednisoneColitis, UlcerativeLymphoma, B-CellAntibodies, NeoplasmBinding Sites, AntibodyB-LymphocytesAntibodies, FungalEpitopesBiopsyRespiratory BurstCathepsin GImmunoglobulin MVincristineLupus Erythematosus, SystemicReceptors, IgGHIV AntibodiesLung DiseasesScleritisAntigen-Antibody ComplexDrug Therapy, CombinationArteritisGraves DiseaseLymphoma, Large B-Cell, DiffuseAntineoplastic AgentsAntibodies, ProtozoanFollow-Up StudiesPlasmapheresisMethimazoleNose DiseasesGlucocorticoidsImmune SeraSensitivity and SpecificityAntirheumatic AgentsRetrospective StudiesCross ReactionsAzathioprineLymphoma, Mantle-CellPancreatic ElastaseLymphoma, Non-HodgkinHemoptysisFixativesTime FactorsImmunoglobulin Fab FragmentsAntibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy Protocols