Interstitial brachytherapy procedures for brain tumors Academic Article Article uri icon

Overview

MeSH Major

  • Brain
  • Nerve Regeneration
  • Neurons
  • Stem Cell Transplantation
  • Stem Cells

abstract

  • Promising results have been obtained using brachytherapy in the treatment of brain tumors. Very low-dose rate brachytherapy (60-100 Gy given at 0.05-0.10 Gy/h) has been used for low-grade gliomas, resulting in 5- and 10-year survival probabilities of 85% and 83% for pilocytic astrocytomas and 61% and 51% for grade II astrocytomas. Only 2.6% of patients had symptomatic radiation necrosis. For faster-growing high-grade gliomas, temporary implants delivering about 60 Gy at 0.40-0.60 Gy/h are generally used. The largest series have reported median survival times of 12-13 months after brachytherapy for recurrent malignant gliomas and 18-19 months after diagnosis of primary glioblastomas treated with external beam radiotherapy and brachytherapy boost. A recent prospective, randomized trial demonstrated significantly improved survival for high-grade glioma patients who had brachytherapy boost. However, over 50% of patients who undergo brachytherapy for malignant gliomas require reoperation for tumor progression and/or radiation necrosis. Strategies are under development to improve local control without increasing radiation toxicity.

publication date

  • May 1997

Research

keywords

  • Academic Article

Identity

Digital Object Identifier (DOI)

  • 10.1002/(SICI)1098-2388(199705/06)13:3<157::AID-SSU2>3.0.CO;2-6

PubMed ID

  • 9143053

Additional Document Info

start page

  • 157

end page

  • 66

volume

  • 13

number

  • 3