Neurofibroma, PlexiformNerve Sheath NeoplasmsNeurofibromatosis 1NeurofibromaGenes, Neurofibromatosis 1Peripheral Nervous System NeoplasmsNeurofibromin 1NeurofibromatosesNeurilemmomaCafe-au-Lait SpotsSchwann CellsNeurofibrosarcomaOptic NervePeripheral NervesNeurothekeomaS100 ProteinsOptic Nerve NeoplasmsSciatic NerveNeurofibromatosis 2Nervous System NeoplasmsMyelin SheathSoft Tissue NeoplasmsImmunohistochemistrySkin NeoplasmsIntracranial HypertensionCranial Nerve Neoplasms