HydrocephalusHydrocephalus, Normal PressureCerebrospinal Fluid ShuntsVentriculoperitoneal ShuntVentriculostomyCerebral AqueductThird VentricleCerebral VentriclesNeuroendoscopyPneumoencephalographyCerebral VentriculographyCerebrospinal Fluid PressureFourth VentricleEpendymaTumor Markers, BiologicalSpinal PunctureTumor BurdenTumor Necrosis Factor-alphaMeningomyeloceleCell Line, TumorSpinal DysraphismIntracranial PressureSubcommissural OrganSubarachnoid HemorrhageWilms TumorBrain NeoplasmsMagnetic Resonance ImagingSubarachnoid SpaceCerebrospinal FluidTomography, X-Ray ComputedTuberculosis, MeningealNeoplasms, ExperimentalGenes, Tumor SuppressorLateral VentriclesCarcinoid TumorCerebral Ventricle NeoplasmsTumor Suppressor Protein p53Neuroendocrine TumorsTumor Suppressor ProteinsDandy-Walker SyndromeTumor MicroenvironmentTreatment OutcomeCerebral HemorrhageMammary Neoplasms, ExperimentalNeurosurgical ProceduresArachnoid CystsLeukocyte L1 Antigen ComplexNeovascularization, PathologicArachnoidKaolinNeoplasm MetastasisInfant, NewbornRetrospective StudiesMeningesAdenocarcinomaBrain DiseasesTransplantation, HeterologousAgenesis of Corpus CallosumNeurocutaneous SyndromesGastrointestinal Stromal TumorsBrainHemispherectomyPinealomaMice, Inbred C57BLChoroid PlexusXenograft Model Antitumor AssaysMeningitisCell ProliferationTime FactorsMedicine in ArtMice, Inbred BALB CMutationDisease Models, AnimalGlioma, SubependymalCranial Fossa, PosteriorAntigens, NeoplasmAstrocytomaAbnormalities, Multiple