For patients that fail initial SRS for trigeminal neuralgia, what factors do you consider when considering re-irradiation?
Answer from: Radiation Oncologist at Academic Institution
Failure within 6 months/No response:
Is vascular compression present?
Yes = Consider Microvascular decompression. If contraindicated repeat SRS to 50 Gy.
No + then was the nerve clearly visualized on MRI?
Yes = Possible repeat SRS to 50 Gy.
No = then that could be a cause for failure, consi...
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