A neurofibroma is usually a benign peripheral nerve sheath tumor. If symptoms are present, they usually include pain and/or radicular sensory changes due to the typical location along the dorsal sensory roots. Weakness is less common. Myelopathy may occur if the lesion is large. The majority of localized neurofibromas are solitary and sporadic and not associated with neurofibromatosis type. However, when multiple neurofibromas are present then the diagnosis of neurofibromatosis type 1 is almost assured. Neurofibromas are treated with surgery, but unlike schwannomas, neurofibromas are not encapsulated and infiltrate between the nerve fascicles, making resection difficult.