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Review
. 2021 Sep 24;12(9):767-786.
doi: 10.5306/wjco.v12.i9.767.

Re-irradiation for high-grade gliomas: Has anything changed?

Sonia García-Cabezas  1 , Eleonor Rivin Del Campo  2 , Juan Solivera-Vela  3 , Amalia Palacios-Eito  4
Affiliations
Review

Re-irradiation for high-grade gliomas: Has anything changed?

Sonia García-Cabezas et al. World J Clin Oncol. .

Abstract

Optimal management after recurrence or progression of high-grade gliomas is still undefined and remains a challenge for neuro-oncology multidisciplinary teams. Improved radiation therapy techniques, new imaging methods, published experience, and a better radiobiological knowledge of brain tissue have positioned re-irradiation (re-RT) as an option for many of these patients. Decisions must be individualized, taking into account the pattern of relapse, previous treatment, and functional status, as well as the patient's preferences and expected quality of life. Many questions remain unanswered with respect to re-RT: Who is the most appropriate candidate, which dose and fractionation are most effective, how to define the target volume, which imaging technique is best for planning, and what is the optimal timing? This review will focus on describing the most relevant studies that include re-RT as salvage therapy, with the aim of simplifying decision-making and designing the best available therapeutic strategy.

Keywords: Glioblastoma; High-grade gliomas; Radiosurgery; Re-irradiation; Recurrent glioma; Stereotactic radiotherapy.

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Conflict of interest statement

Conflict-of-interest statement: The authors have no conflict of interest related to the manuscript.

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