Hematoma, Subdural, ChronicHematoma, SubduralTrephiningSubdural SpaceHematoma, Subdural, AcuteSubdural EffusionCraniotomyHematoma, Subdural, IntracranialEmpyema, SubduralHematoma, Epidural, CranialHematomaDura MaterHematoma, Subdural, SpinalTomography, X-Ray ComputedDrainageCraniocerebral TraumaHead Injuries, ClosedArachnoidNeurosurgical ProceduresArachnoid CystsThird VentricleHeadacheVentriculostomyChronic DiseaseRemission, SpontaneousMagnetic Resonance ImagingIntracranial HypotensionPostoperative ComplicationsCranial Fossa, PosteriorRecurrenceTreatment OutcomeBattered Child SyndromeHematoma, Epidural, SpinalShaken Baby SyndromeGlasgow Coma ScaleSkull