CraniotomyHematoma, SubduralSubdural SpaceHematoma, Subdural, ChronicHematomaHematoma, Subdural, AcuteEmpyema, SubduralHematoma, Epidural, CranialSubdural EffusionHematoma, Subdural, SpinalHematoma, Epidural, SpinalHematoma, Subdural, IntracranialDura MaterTomography, X-Ray ComputedNeurosurgical ProceduresTrephiningArachnoid CystsPneumocephalusCraniocerebral TraumaCerebral HemorrhageHead Injuries, ClosedGlasgow Coma ScaleMagnetic Resonance ImagingFrontal BoneSkull FracturesArachnoidIntracranial AneurysmBrain AbscessCranial Fossa, PosteriorMeningeal NeoplasmsIntracranial HemorrhagesDrainageMeningiomaPostoperative ComplicationsBrain NeoplasmsBattered Child SyndromeCerebral AngiographyDecompression, SurgicalIntracranial HypotensionBrain InjuriesNeurosurgeryShaken Baby SyndromeSubarachnoid HemorrhageHeadacheDelayed Emergence from AnesthesiaGlasgow Outcome ScaleVentriculostomyFatal OutcomeHead Injuries, PenetratingAneurysm, RupturedFrontal SinusCerebral Hemorrhage, TraumaticMicrosurgeryCerebral VeinsSurgical Fixation DevicesCranial Fossa, MiddleTreatment OutcomeTomography Scanners, X-Ray ComputedSupratentorial NeoplasmsStereotaxic TechniquesElectrodes, ImplantedCerebellar DiseasesSkullRemission, SpontaneousBrain DiseasesHydrocephalusRetrospective StudiesIntracranial PressureSkull BaseTemporal BoneSkull NeoplasmsIntracranial Hemorrhage, HypertensiveCranial Fossa, AnteriorOccipital BoneSubarachnoid SpaceCerebrospinal Fluid RhinorrheaBrainSurgical InstrumentsEpilepsyNeuroendoscopyBrain EdemaOsteomaFourth VentricleSurgical FlapsLaminectomyPost-Dural Puncture HeadacheHematoceleExtravasation of Diagnostic and Therapeutic MaterialsLigamentum FlavumRetinal HemorrhageHemangioma, CavernousExophthalmosBlood Patch, EpiduralSuctionBasal Ganglia HemorrhageCerebral AqueductMeningesOrbitElectroencephalographySkull Fracture, Depressed