Lesions of the petroclival area have long been considered by neurosurgeons as unreachable,I,2 and until recently, patients afflicted with meningiomas in this region have carried poor prognoses, usually with a lethal outcome.1,39 Refined approaches and advances in microsurgery techniques, along with the aid of intraoperative monitoring, have encouraged neurosurgeons to reevaluate the ef1icacy of...

OBJECT Microsurgical management of foramen magnum meningiomas (FMMs) can be associated with significant morbidity and mortality. Stereotactic radiosurgery may be an efficient and safe alternative treatment modality for such tumors. The object of this study was to increase the documented experience with Gamma Knife surgery (GKS) for FMMs and to delineate its role in an overall management paradig...

OBJECTIVE We present our experience of conventional posterior approach without fat lateral approach for ventral foramen magnum (FM) meningioma (FM meningioma) and tried to evaluate the approach is applicable to ventral FM meningioma. METHODS From January 1999 to March 2011, 11 patients with a ventral FM meningioma underwent a conventional posterior approach without further extension of latera...