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Abstract Objective To summarize clinical experiences and microsurgical technique for the excision of petroclival meningiomas .[Methods]Clinical data of 90 patients with petroclival meningioma confirmed by sur-gery in our hospital from Jan .1991 to Dec .2012 was analyzed retrospectively .Of these patients ,35 patients with meningioma extending to supratentorium from mid-superior clivus underwent the surgery through the combined supratentorial-infratentorial approach ,and 50 patients with meningioma extending to infratentorium from mid-inferior clivus underwent the surgery through infratentorial sigmoid sinus approach .Five patients with meningioma extending to petrous apex and cavernous sinus underwent the surgery through subtemporal transpetrosal-transtentorial approach .[Results] Of 93 patients(93 operations) ,3 patients underwent re-oper-ation due to postoperative hemorrhage .Endoscopic total resection of the tumor was achieved in 72 patients (80% ) ,and subtotal resection was achieved in 11 patients(12% ) ,and partial resection was achieved in 8 pa-tients(8% ) .The 70 patients got clinical cure and recovered their normal life ,and 18 patients needed the care in life ,and 2 patients died .[Conclusion]Correct operation approach ,skillful microsurgical technique ,inten-sive postoperative observation and active treatment of complications are helpful to improve total resection rate of petroclival meningioma and decrease mortality and disability rate .
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2014, Vol. 31 
