HematomaHematoma, Epidural, CranialHematoma, SubduralHematoma, Subdural, ChronicHematoma, Subdural, AcuteHematoma, Epidural, SpinalHematoma, Subdural, IntracranialHematoma, Subdural, SpinalCerebral HemorrhageTrephiningTomography, X-Ray ComputedCraniotomyNasal CavityPeritoneal CavitySubdural SpaceSkull FracturesCerebral Hemorrhage, TraumaticBasal Ganglia HemorrhageDura MaterCraniocerebral TraumaGlasgow Coma ScaleDental Cavity PreparationNeurosurgical ProceduresRectus AbdominisHead Injuries, ClosedIntracranial HemorrhagesMagnetic Resonance ImagingPleural CavitySubdural EffusionDrainageCranial Fossa, PosteriorMouthLaminectomyTreatment OutcomeRemission, SpontaneousSuctionRetroperitoneal SpaceLigamentum FlavumIntracranial Hemorrhage, HypertensiveEsophageal DiseasesPostoperative ComplicationsCerebral AngiographyRupture, SpontaneousArachnoid CystsRetrospective StudiesDecompression, SurgicalAnticoagulantsFatal OutcomeBrain Hemorrhage, TraumaticWounds, NonpenetratingExtravasation of Diagnostic and Therapeutic MaterialsOrbital DiseasesBrain EdemaTomography Scanners, X-Ray ComputedGlasgow Outcome ScaleSpinal Cord CompressionAcute DiseaseSubarachnoid HemorrhageArachnoidAortic DiseasesCerebellar DiseasesAneurysm, RupturedTime FactorsThoracic CavityMouth NeoplasmsWarfarinNeuroendoscopyStereotaxic TechniquesAbdominal CavityParaparesisExophthalmosThalamic DiseasesHemothoraxIntracranial AneurysmBrain InjuriesNeurosurgeryHeadacheProspective StudiesDental Cavity LiningAneurysm, DissectingHemostatic Techniques