HydrocephalusMeningitisMeningitis, BacterialHydrocephalus, Normal PressureCerebrospinal Fluid ShuntsMeningitis, PneumococcalMeningitis, AsepticMeningitis, ViralVentriculoperitoneal ShuntVentriculostomyCerebral AqueductMeningitis, FungalMeningitis, HaemophilusMeningitis, MeningococcalMeningitis, CryptococcalTuberculosis, MeningealCerebrospinal FluidThird VentricleCerebral VentriclesNeuroendoscopySpinal PunctureCerebral VentriculographyPneumoencephalographyCerebrospinal Fluid PressureFourth VentricleMeningitis, ListeriaEpendymaMeningitis, Escherichia coliIntracranial PressureSubarachnoid SpaceMeningomyeloceleSpinal DysraphismMeningesSubarachnoid HemorrhageSubcommissural OrganInfant, NewbornEchovirus InfectionsLateral VentriclesStreptococcus pneumoniaeMagnetic Resonance ImagingNeisseria meningitidisCerebrospinal Fluid ProteinsBrainTomography, X-Ray ComputedAngiostrongylus cantonensisDandy-Walker SyndromeCerebral Ventricle NeoplasmsCerebral HemorrhageNeurosurgical ProceduresArachnoidMeningoencephalitisBrain DiseasesCeftriaxoneArachnoid CystsLeukocyte L1 Antigen ComplexArachnoiditisEncephaloceleKaolinMeningoceleChoroid PlexusNigerAgenesis of Corpus CallosumNeurocutaneous SyndromesHemispherectomyStreptococcal InfectionsMedicine in ArtFatal OutcomeRetrospective StudiesCranial Fossa, PosteriorPneumocephalusCerebral VentriculitisNeisseria meningitidis, Serogroup AEncephalitisTreatment OutcomeHeadacheCisterna MagnaIntracranial HemorrhagesMeningeal Neoplasms