Hematoma, SubduralSubdural SpaceHematoma, Subdural, ChronicHematomaHeadacheHematoma, Subdural, AcuteEmpyema, SubduralSubdural EffusionHematoma, Epidural, CranialHematoma, Subdural, SpinalHeadache DisordersTension-Type HeadacheCluster HeadacheHematoma, Epidural, SpinalHematoma, Subdural, IntracranialCraniotomyVascular HeadachesMigraine DisordersDura MaterTomography, X-Ray ComputedHeadache Disorders, SecondaryCraniocerebral TraumaCerebral HemorrhageArachnoid CystsHead Injuries, ClosedIntracranial HypotensionNeurosurgical ProceduresTrephiningMagnetic Resonance ImagingArachnoidBattered Child SyndromeSkull FracturesDrainageGlasgow Coma ScaleShaken Baby SyndromeCranial Fossa, PosteriorBlood Patch, EpiduralSpinal PunctureCerebral Hemorrhage, TraumaticIntracranial HemorrhagesRemission, SpontaneousTreatment OutcomePneumocephalusBrain AbscessCerebral AngiographyFatal OutcomeSubarachnoid HemorrhageElectrodes, ImplantedSubarachnoid SpaceDecompression, SurgicalMeningesMigraine without AuraTomography Scanners, X-Ray ComputedChronic DiseasePostoperative ComplicationsRetrospective StudiesGlasgow Outcome ScaleBrain InjuriesPost-Dural Puncture HeadacheLaminectomyHydrocephalusNeurosurgeryExtravasation of Diagnostic and Therapeutic MaterialsLigamentum FlavumCerebral AqueductRetinal HemorrhageIntracranial AneurysmRupture, SpontaneousSkull NeoplasmsSuctionBasal Ganglia HemorrhageCerebral VeinsVentriculostomyAcute DiseaseIntracranial HypertensionAneurysm, RupturedSkull Fracture, DepressedCranial Fossa, MiddleEpilepsies, PartialNeurologic ExaminationBirth InjuriesEpilepsyCerebrospinal Fluid ShuntsMeningeal NeoplasmsConsciousness DisordersCerebral VentriculographyMigraine with AuraOccipital BoneBrainBrain DiseasesIntracranial PressureMeningiomaRectus AbdominisBrain EdemaAnticoagulantsThird VentricleRecurrenceAccidents, TrafficSkullElectroencephalography