, Volume 69, Issue 1-3, pp 83-100

Stereotactic Radiosurgery and Interstitial Brachytherapy for Glial Neoplasms

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Abstract

The application of focal radiation therapies in the management of malignant gliomas has gone through a number of stages. Earlier efforts to improve local control of malignant gliomas involved the use of brachytherapy. Despite some early encouraging results, Phase 3 studies did not prove a significant survival benefit for the addition of brachytherapy for newly diagnosed glioblastoma. Most recently radiosurgery has been employed using the same rationale in that improved local control may improve survival. Results of the RTOG Phase 3 study are pending final publication, but early abstracted reports are negative. While radiosurgery and brachytherapy continue to be used as a form of therapy for selected patients with recurrent gliomas, new information from metabolic imaging studies suggests our problem with these techniques in part may be related to targeting. This paper reviews the recent literature and results of the use of brachytherapy and radiosurgery in the management of newly diagnosed and recurrent malignant gliomas.