Hematoma, Subdural, ChronicHematoma, SubduralTrephiningSubdural SpaceHematoma, Subdural, AcuteSubdural EffusionCraniotomyHematoma, Subdural, IntracranialEmpyema, SubduralHematoma, Epidural, CranialHematomaDura MaterHematoma, Subdural, SpinalTomography, X-Ray ComputedDrainageCraniocerebral TraumaHead Injuries, ClosedArachnoidArachnoid CystsNeurosurgical ProceduresThird VentricleHeadacheVentriculostomyChronic DiseaseRemission, SpontaneousMagnetic Resonance ImagingIntracranial HypotensionCranial Fossa, PosteriorRecurrencePostoperative ComplicationsBattered Child SyndromeHematoma, Epidural, SpinalTreatment OutcomeShaken Baby Syndrome