ThrombophlebitisCavernous Sinus ThrombosisFusobacterium InfectionsLemierre SyndromeFusobacterium necrophorumPhlebitisJugular VeinsVaricose VeinsCephapirinPostphlebitic SyndromePulmonary EmbolismOrbital CellulitisCatheterization, PeripheralSaphenous VeinBehcet SyndromePhlebographyStanozololFemoral VeinHeparinoidsMesenteric VeinsVeinsThrombosisExtravasation of Diagnostic and Therapeutic MaterialsCatheterization, Central VenousUltrasonography, Doppler, DuplexVenous InsufficiencyRadionuclide ImagingVenous ThrombosisCatheter-Related InfectionsAnticoagulantsSyndromeLegUltrasonographyHeparinAngiographySepsisDiagnostic ErrorsAnti-Bacterial AgentsTomography, X-Ray ComputedTreatment OutcomePostoperative ComplicationsStreptococcus pyogenesPharyngitisStreptococcal InfectionsStreptococcusPharynxStreptococcal VaccinesGasesNeckAbscessPeritonsillar AbscessPleural CavityRetropharyngeal AbscessLudwig's AnginaThyroiditis, Suppurative