Nerve Sheath NeoplasmsPeripheral Nervous System NeoplasmsNeurofibromaNeurofibromatosis 1NeurilemmomaNeurofibroma, PlexiformGenes, Neurofibromatosis 1NeurofibromatosesNeurofibromin 1Sarcoma, SynovialS100 ProteinsNeurothekeomaSoft Tissue NeoplasmsOptic NerveSchwann CellsSciatic NerveOptic Nerve NeoplasmsThoracic NeoplasmsEpithelioid CellsCranial Nerve NeoplasmsSarcomaImmunohistochemistryMyelin SheathPeripheral NervesTumor Markers, BiologicalScalpNeurofibromatosis 2HemangiopericytomaHMGA ProteinsNervous System NeoplasmsSpinal Nerve RootsIntracranial HypertensionMagnetic Resonance ImagingPseudotumor CerebriSpinal CanalDog DiseasesHorse DiseasesSpinal NeoplasmsCell Line, TumorNerve FibersThighTomography, X-Ray ComputedFatal OutcomeMeningiomaCat DiseasesIntracranial PressureNerve RegenerationNeoplasms, Nerve TissueReverse Transcriptase Polymerase Chain ReactionCell ProliferationLeiomyosarcomaGene Expression Regulation, NeoplasticNerve BlockFibromaCell Transformation, NeoplasticSural NerveHistiocytoma, Malignant FibrousNerve EndingsImmunoenzyme TechniquesMesenchymomaOptic Nerve DiseasesMedian NerveNerve CrushPeripheral Nerve InjuriesNeoplasm Recurrence, LocalFacial Nerve