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Radiation Oncology • Neuro-Oncology
In the setting of single or multi-fraction cranial radiosurgery, do you have different constraints for the dose to the optic tract just posterior to the chiasm, compared to the constraints for the chiasm?
Answer from: Radiation Oncologist at Academic Institution
I treat the post-chiasmatic tract the same as the pre-chiasmatic nerve segments in a single x-shaped structure. As for the optic striations, as they blend into the brain, they get treated the same as the rest of the brain.
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Answer from: Radiation Oncologist at Academic Institution
I use the same constraint.