Petroclival Meningiomas: Factors Determining the Choice of Approach
2017
Objectives To review a surgical series of petroclival meningiomas and the factors considered in the choice of approach. Design Retrospective review. Setting The study was conducted in a university hospital in southern Brazil. Participants Twenty-two patients with petroclival meningioma originating from the upper two-thirds of the clivus medial to the fifth cranial nerve. Main Outcome Measures Gross-total resection, mortality, major morbidity, new cranial nerve deficits and tumor progression or recurrence. Results Retrosigmoid approach was used in tumors Conclusions Resection of petroclival meningiomas remains challenging. In most cases, the retrosigmoid approach was sufficient, without affecting the degree of tumor resection. Petrosal approaches were reserved for patients with tumor extension into the middle fossa.
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