VasculitisNeutropeniaSystemic VasculitisRetinal VasculitisAnti-Neutrophil Cytoplasmic Antibody-Associated VasculitisVasculitis, Central Nervous SystemPolyarteritis NodosaAgranulocytosisChurg-Strauss SyndromeFebrile NeutropeniaSkin Diseases, VascularFeverChemotherapy-Induced Febrile NeutropeniaRheumatoid VasculitisMicroscopic PolyangiitisGranulocyte Colony-Stimulating FactorAntineoplastic Combined Chemotherapy ProtocolsPurpura, Schoenlein-HenochDrug Administration ScheduleCryoglobulinemiaTreatment OutcomeNeutrophilsTaxoidsInfusions, IntravenousPaclitaxelArteritisMucocutaneous Lymph Node SyndromeCyclophosphamideFever of Unknown OriginCamptothecinThrombocytopeniaLeukocyte CountFelty SyndromeMaximum Tolerated DoseBehcet SyndromeLeukocyte ElastaseNeoplasmsGlomerulonephritisCryoglobulinsDeoxycytidineGiant Cell ArteritisAntineoplastic Agents, PhytogenicAutoimmune DiseasesCisplatinImmunosuppressive AgentsAntineoplastic AgentsAntibodies, Monoclonal, Murine-DerivedPurpuraFluorouracilMycosesRetrospective StudiesLeukopeniaAutoantibodiesTakayasu ArteritisRemission InductionDose-Response Relationship, DrugVinblastineHematologic DiseasesOpportunistic InfectionsPrednisoloneReceptors, Granulocyte Colony-Stimulating FactorBacterial InfectionsSurvival AnalysisDrug Therapy, CombinationCarboplatinPrednisoneSurvival RateRecurrenceMercuric ChlorideDoxorubicinOrganoplatinum CompoundsLeg DermatosesLupus Erythematosus, SystemicAntigen-Antibody ComplexLeucovorinPeripheral Nervous System DiseasesBiopsyDisease-Free SurvivalTopotecanPlasmapheresisUrticariaLung NeoplasmsHematologic NeoplasmsMethylprednisoloneRecombinant ProteinsImmunocompromised HostNauseaSyndromeProspective StudiesArthritis, RheumatoidImmunologic FactorsEtoposideAntibodies, MonoclonalDisease ProgressionAdministration, OralTemporal ArteriesSkin DiseasesEpirubicinTime FactorsCogan Syndrome