text: Editor-In-Chief: C. Michael Gibson, M.S., M.D. ; Associate Editor(s)-in-Chief:  ; Maneesha Nandimandalam, M.B.B.S.
  The cause of<unk>  has not been identified.
option_0: Schwannoma causes
option_1: Oligoastrocytoma causes
option_2: Acoustic neuroma causes
option_3: Esthesioneuroblastoma causes
option_4: Astrocytoma causes
option_5: Hamartoma causes
option_6: Subependymal giant cell astrocytoma causes
option_7: Glioma causes