MeningiomaMeningeal NeoplasmsArachnoidSkull NeoplasmsSkull Base NeoplasmsBrain NeoplasmsNeurosurgical ProceduresHyperostosisCerebellopontine AngleDura MaterMagnetic Resonance ImagingPostoperative ComplicationsNeuroma, AcousticTreatment OutcomeGenes, Neurofibromatosis 2HemangiopericytomaOptic Nerve NeoplasmsTomography, X-Ray ComputedBariatric SurgeryEar NeoplasmsCraniotomyRetrospective StudiesGeneral SurgeryNeurilemmomaCerebral Ventricle NeoplasmsNeurofibromatosis 2Thoracic SurgeryForamen MagnumMeningesPostoperative PeriodSphenoid BoneCardiac Surgical ProceduresFollow-Up StudiesChromosomes, Human, Pair 22Neurofibromin 2