2Akio M.Takanori F,Shinichiro M,et al.Operative results in 45 case of acoustic neuroma:Techical comments on the preservation of facial nerve and hearing function.No-shinkei-Geda,1988,16:811～818.
3Cohen NL Acoustic neuroma.In:Gates GA,ed.Current therapy in otolaryngology-head-neck surgery.1st ed.louis:Mosby,1994:86～90.
4Kawase T.Shiobara R,Toya SH.Middle fossa transpetrosal-transtentorial approaches for petroctival meningiomas.Selective pyramid resection and radicality.Acta Neurochirurgica,1994,129:113～120.
5Sekhar LN,Swamy NKS,Jaiswal V,et al.Surgical excision of meningiomas involving the clivus:preoperative and intro-operative featuses as predictor of postoperative functional deterioration.J Neurosurg.1994,81:860～868.
