NeurilemmomaNerve Sheath NeoplasmsNeurothekeomaPeripheral Nervous System NeoplasmsNeurofibromaNeurofibromatosis 1Neurofibroma, PlexiformGenes, Neurofibromatosis 1NeurofibromatosesNeurofibromin 1Sarcoma, SynovialS100 ProteinsSoft Tissue NeoplasmsSchwann CellsEpithelioid CellsThoracic NeoplasmsSarcomaImmunohistochemistryCranial Nerve NeoplasmsOptic NerveSciatic NerveTumor Markers, BiologicalHemangiopericytomaHMGA ProteinsNeurofibromatosis 2ScalpNervous System NeoplasmsOptic Nerve NeoplasmsMagnetic Resonance ImagingCell Line, TumorSpinal Nerve RootsSpinal CanalHorse DiseasesDog DiseasesSpinal NeoplasmsThighMyelin SheathPeripheral NervesCat DiseasesFatal OutcomeTomography, X-Ray ComputedCell ProliferationIntracranial HypertensionReverse Transcriptase Polymerase Chain ReactionPseudotumor CerebriLeiomyosarcomaGene Expression Regulation, NeoplasticCell Transformation, Neoplastic