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Radiation Oncology • Neuro-Oncology
What dose and planning techniques would you use for LINAC based SRS of a craniopharyngioma with reasonable distance from critical optics and brainstem OARs?
I've seen 15Gy quoted as an effective GK dose, and a variety of LINAC doses in the literature.
Answer from: Radiation Oncologist at Community Practice
I would recommend a single fraction of 12 Gy, taking into consideration the optical structures. Our early experience using GammaKnife in 14 patients treated for craniopharyngioma ranged from 11 to 20 Gy with a median of 14 Gy in a single fraction; Amendola et al Pediatric Blood and Cancer August 20...
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