MeningiomaMeningeal NeoplasmsRadiation DosageRadiation, IonizingRadiation InjuriesDose-Response Relationship, RadiationRadiation ToleranceRadiationRadiation ProtectionRadiation MonitoringRadiation OncologyNeoplasms, Radiation-InducedCosmic RadiationRadiation Injuries, ExperimentalArachnoidSkull NeoplasmsRadiation PneumonitisRadiotherapyGamma RaysBrain NeoplasmsBackground RadiationRadiometryRadiotherapy DosageUltraviolet RaysCombined Modality TherapyRadiation EffectsSkull Base NeoplasmsTomography, X-Ray ComputedRadiation-Sensitizing AgentsHyperostosisMagnetic Resonance ImagingRadiation-Protective AgentsCerebellopontine AngleDura MaterAcute Radiation SyndromeDose FractionationNeuroma, AcousticOptic Nerve NeoplasmsGenes, Neurofibromatosis 2HemangiopericytomaNeurosurgical ProceduresRadioactive Hazard ReleaseRadiosurgeryCobalt RadioisotopesRadiobiologyRadiotherapy, ConformalX-RaysEar NeoplasmsRadiation Hybrid MappingRadiotherapy Planning, Computer-AssistedNuclear WarfareGliomaRadiotherapy, Intensity-ModulatedBrachytherapyDNA DamageLinear Energy TransferRadiodermatitisCraniotomyNeurofibromatosis 2Cerebral Ventricle NeoplasmsNeurilemmomaRadiotherapy, AdjuvantNeoplasm Recurrence, LocalRadiation GeneticsTreatment OutcomeCerebellar NeoplasmsLeukemia, Radiation-InducedBody BurdenTime FactorsMeningesSynchrotronsRadiation, NonionizingForamen MagnumRelative Biological EffectivenessElectromagnetic RadiationParticle AcceleratorsCesium RadioisotopesChromosomes, Human, Pair 22Neurofibromin 2FluoroscopyAbnormalities, Radiation-InducedSphenoid BoneRetrospective Studies