MeningiomaDura MaterMeningeal NeoplasmsArachnoidSkull NeoplasmsCraniotomySkull Base NeoplasmsMeningesBrain NeoplasmsHyperostosisMagnetic Resonance ImagingNeurosurgical ProceduresCerebellopontine AngleParietal BoneGenes, Neurofibromatosis 2Neuroma, AcousticOptic Nerve NeoplasmsHemangiopericytomaEar NeoplasmsForamen MagnumTomography, X-Ray ComputedNeurilemmomaMeningeal ArteriesCranial Fossa, PosteriorNeurofibromatosis 2Cerebral Ventricle NeoplasmsSkullLaminectomyHematoma, SubduralSpinal Cord NeoplasmsSkull BaseChromosomes, Human, Pair 22Neurofibromin 2Sella TurcicaEpidural Space