Intracranial AneurysmAneurysmSpinal Cord NeoplasmsAneurysm, InfectedDura MaterAortic AneurysmLaminectomyHeart AneurysmAortic Aneurysm, ThoracicAneurysm, DissectingArachnoid CystsEmbolization, TherapeuticCauda EquinaIliac AneurysmIophendylateCoronary AneurysmCerebral AngiographyNeurosurgical ProceduresSpinal Cord CompressionSpinal Cord DiseasesTuberculomaSpinal CanalTomography, X-Ray ComputedBlood Vessel Prosthesis ImplantationMyelographySpinal NeoplasmsNeurilemmomaHemangioma, CapillaryPolyradiculopathyAortic RuptureAneurysm, FalseSubarachnoid HemorrhageThoracic VertebraeMagnetic Resonance ImagingBlood Vessel ProsthesisTreatment OutcomePeripheral Nervous System NeoplasmsIntervertebral Disc DisplacementCranial Fossa, PosteriorAorta, AbdominalEndovascular ProceduresParaparesisAngiography, Digital SubtractionAortographyLumbar VertebraeOccipital BoneArachnoidVascular Surgical ProceduresMeningiomaSpinal DiseasesMeningoceleCraniotomySacrumCervical VertebraeBronchogenic CystMeningeal NeoplasmsBrown-Sequard SyndromeDecompression, SurgicalSurgical InstrumentsForamen MagnumEchinococcosisStentsLipomaInfratentorial NeoplasmsLumbosacral RegionPostoperative ComplicationsMicrosurgerySubarachnoid SpaceNeurologic ExaminationRetrospective StudiesCentral Nervous System HelminthiasisFollow-Up StudiesIntracranial HypotensionSpinal CordRadiculopathyChordomaSpinal Nerve RootsSkull Base NeoplasmsArteriovenous FistulaAngiographySyringomyeliaNeoplasms, Muscle TissueProsthesis DesignNeoplasms, Cystic, Mucinous, and SerousSubdural EffusionDysarthriaEpidural AbscessTuberculosis, MeningealAnterior Cerebral ArteryCarotid Artery, InternalEchinococcus granulosusIliac ArteryDermoid CystEndoleakCavernous SinusAortitisPlatinumCarotid Artery DiseasesCentral Nervous System Vascular MalformationsEpidural Space