Bevacizumab in Treating Patients With Recurrent or Progressive Meningiomas

Criteria * Histologically proven recurrent or progressive intracranial meningioma; this includes benign, atypical, or malignant meningioma who may or may not have neurofibromatosis type 1 or 2; pathology can be from initial surgery; OR histologically proven intracranial hemangiopericytoma, hemangioblastoma (with or without metastatic disease), acoustic neuroma, or intracranial schwannoma * Unequivocal evidence for tumor progression by MRI (or CT scan if MRI is contraindicated); the scan must be performed within 14 days of registration * Steroid dosing- must be on stable dose for at least 5 days prior to baseline imaging (Steroids are not required at the time of baseline imaging) * Recent resection for recurrent tumor - patients will be eligible as long as they are greater than four weeks from surgery, have recovered from the effects of surgery, and have residual disease that can be evaluated; to best assess the extent of residual disease post-operatively, a CT/MRI should be done no later than 96 hours in the immediate post-operative period or at least 4 weeks post-operatively; if the 96 hour scan is more than 14 days before registration, it should be repeated * Prior radiation therapy - patients may have been treated with standard external beam radiation or radiosurgery in any combination; an interval of \>= 8 weeks (56 days) must have elapsed from the completion of radiation therapy to study entry and there must be subsequent evidence of tumor progression * Patients with pr…