title: Preservation of hearing by the retrosigmoid approach in acoustic neuroma surgery.
mesh_terms: D001299:Audiometry; D006311:Hearing Disorders / Q000175:diagnosis / Q000517:prevention & control*; D006801:Humans; D008866:Microsurgery / Q000379:methods; D009464:Neuroma, Acoustic / Q000601:surgery*; D011183:Postoperative Complications / Q000517:prevention & control