Linear accelerator-based stereotactic radiosurgery of intracranial meningiomas: results of the first 5 years of clinical practice.

Meningiomas are mostly benign but some are atypical or malignant. Surgical resection is curative when complete removal of benign meningiomas is contemplated. Incompletely excised and recurrent tumors are frequently treated with fractionated radiation therapy or stereotactic radiosurgery.