Reversible evoked potential changes with retraction of the eighth cranial nerve.
D000368:Aged; D001933:Brain Stem / Q000502:physiology*; D002530:Cerebellopontine Angle / Q000601:surgery*; D005072:Evoked Potentials, Auditory; D005154:Facial Nerve / Q000098:blood supply; D005260:Female; D006801:Humans; D007431:Intraoperative Complications; D008833:Microcirculation / Q000601:surgery; D000159:Vestibulocochlear Nerve / Q000502:physiology*