Radiosurgery as palliation for brain metastases: a retrospective review of 72 patients harboring multiple lesions at presentation.

Object: The purpose of this study was to determine the outcome of palliative gamma knife radiosurgery (GKS) in a group of poor-risk patients with multiple brain metastases.

Methods: The medical records of 72 patients with multiple brain metastases treated with GKS between October 1993 and November 9, 2001, were reviewed retrospectively. All patients presented with more than 10 lesions.