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Related Experiment Videos

Radiotherapy for cerebral metastases

P K Sneed1, D A Larson, W M Wara

  • 1Department of Radiation Oncology, University of California, San Francisco, USA.

Neurosurgery Clinics of North America
|July 1, 1996
PubMed
Summary

Whole brain radiotherapy (WBRT) offers symptomatic relief for approximately 50% of patients with brain metastases, improving survival. Optimal WBRT fractionation and patient selection are key for managing brain metastases effectively.

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Area of Science:

  • Oncology
  • Radiation Oncology
  • Neurology

Background:

  • Brain metastases are a common complication of systemic cancer.
  • Whole brain radiotherapy (WBRT) is a standard palliative treatment for unresected brain metastases.
  • Current WBRT protocols aim to balance symptom control with minimizing toxicity.

Purpose of the Study:

  • To review the efficacy and toxicity of Whole Brain Radiotherapy (WBRT) for brain metastases.
  • To discuss optimal fractionation schedules and patient selection for WBRT.
  • To explore alternative and adjunctive treatments for brain metastases.

Main Methods:

  • Review of existing literature on Whole Brain Radiotherapy (WBRT) for brain metastases.
  • Analysis of treatment outcomes including symptomatic response and survival.
  • Evaluation of different fractionation regimens and their impact on toxicity.

Main Results:

  • WBRT provides symptomatic response in about 50% of patients with brain metastases, with median survival of 3-6 months.
  • Conventional palliative WBRT (30 Gy in 10 fractions) is standard, but accelerated hyperfractionation may benefit solitary metastases.
  • Higher fraction doses (>2.0 Gy) increase the risk of radiation-induced leukoencephalopathy and dementia, especially in patients with longer life expectancy.

Conclusions:

  • WBRT is an effective palliative treatment for brain metastases, but careful consideration of fractionation and patient factors is necessary.
  • Patients with solitary metastases or longer life expectancy may benefit from specific WBRT strategies or alternative treatments like surgery or radiosurgery.
  • Minimizing radiation dose per fraction is crucial for long-term cognitive preservation.

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