GoutSpondylitis, AnkylosingArthritis, InfectiousSpondylitisArthritisArthritis, RheumatoidSternoclavicular JointArthritis, ExperimentalSynovial FluidHLA-B27 AntigenOsteomyelitisArthritis, PsoriaticJointsArthritis, ReactiveKingella kingaeSacroiliac JointArthritis, JuvenileStaphylococcal InfectionsStreptobacillusArthritis, GoutyKnee JointOsteitisDebridementBlood SedimentationSynovial MembraneStreptococcal InfectionsSeverity of Illness IndexRat-Bite FeverNeisseriaceae InfectionsSpondylarthritisInjections, Intra-ArticularSpineAnti-Bacterial AgentsHip JointMoraxellaStaphylococcus aureusTreatment OutcomeJoint DiseasesAntirheumatic AgentsSynovitisArthroscopyPsoas AbscessSpondylarthropathiesRheumatic DiseasesChondrocalcinosisShoulder JointHemarthrosisErysipelothrix InfectionsProsthesis-Related InfectionsAllopurinolNeisseriaceaeTherapeutic IrrigationHipTuberculosis, OsteoarticularIritisDrainageFloxacillinRheumatologyActinomycetales InfectionsRheumatoid FactorImmunoglobulin GTuberculosis, SpinalRetrospective StudiesOsteoarthritisZygapophyseal JointSulfasalazineTumor Necrosis Factor-alphaOsteolysis, EssentialUveitis, AnteriorSuctionKneeErysipelothrixFollow-Up StudiesCalcium PyrophosphateReceptors, Tumor Necrosis FactorAntibodies, MonoclonalBalneologyGram-Negative Bacterial InfectionsMice, Inbred DBAArthrodesisImmunocompetenceMycoplasma hominisMagnetic Resonance ImagingAcute DiseaseLumbar VertebraeStreptococcus agalactiaeSpinal DiseasesHLA AntigensBacterial InfectionsRange of Motion, ArticularBacteremiaProspective StudiesKyphosisDrug Therapy, CombinationKnee ProsthesisAbscessPsoriasisCollagen Type IIAnti-Inflammatory Agents, Non-SteroidalThoracic Vertebrae