neurilemoma

/ˌnʊrələˈmoʊmə/
noun
  1. A usually benign tumor that grows from the cells of the neurilemma (nerve sheath).
    • Surgery was successful in removing the neurilemoma without damaging the nerve.
    • The doctor diagnosed a neurilemoma on the patient's acoustic nerve.
    • Most neurilemomas are slow-growing and do not spread to other parts of the body.