Dura MaterCentral Nervous System Vascular MalformationsSinus Thrombosis, IntracranialArteriovenous FistulaCavernous SinusCerebral VeinsMeningeal ArteriesEmbolization, TherapeuticCerebral AngiographyMyelographyArachnoidCranial Fossa, AnteriorIntracranial HypotensionIntracranial Arteriovenous MalformationsHeadacheSpinal PuncturePolyvinylsCraniotomyLaminectomyMagnetic Resonance ImagingEpidural SpaceNeurosurgical ProceduresMeningeal NeoplasmsPost-Dural Puncture HeadacheMeningoceleSubdural EffusionSpinal Cord DiseasesMagnetic Resonance AngiographyMeningiomaMeningesTomography, X-Ray ComputedIntracranial HypertensionSkull BaseArteriovenous MalformationsPolyradiculopathyPneumocephalusLumbar VertebraeSubarachnoid SpaceCranial Fossa, PosteriorSubdural SpaceSpinal Cord CompressionTrigeminal Nerve DiseasesHematoma, Subdural, IntracranialDecompression, SurgicalSpinal CanalTransverse SinusesCarotid Artery, ExternalSkull NeoplasmsOccipital BoneTrigeminal NerveMigraine DisordersNeurologic ExaminationCerebrospinal Fluid PressureSpinal StenosisLoeys-Dietz SyndromeSpinal CordNeedlesCarotid-Cavernous Sinus FistulaEncephaloceleLongitudinal LigamentsReceptor, Serotonin, 5-HT1DTinnitusHerniaSagittal Sinus ThrombosisParaparesisThoracic VertebraeSphenoid BoneArachnoid CystsAngiography, Digital SubtractionInfratentorial NeoplasmsCervical VertebraeWound Closure TechniquesTissue AdhesivesAngiographyCranial Nerve DiseasesForamen MagnumDilatation, PathologicCalcitonin Gene-Related PeptideTreatment OutcomeTrigeminal GanglionAnesthesia, EpiduralAbducens NerveCerebral HemorrhageAnesthesia, SpinalVeinsJugular VeinsSkull Base NeoplasmsAnesthesia, ObstetricalHematoma, Epidural, CranialHematoma, Subdural, ChronicIntracranial ThrombosisMarfan SyndromeEthmoid BoneIntervertebral Disc DisplacementPhlebographyEnbucrilateConsciousness DisordersDimethyl SulfoxideLumbosacral RegionMastoid