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Radiation Oncology • Neuro-Oncology
Do you modify your target volume for treatment of trigeminal neuralgia confined to a single branch of CN V?
For example, would you treat more distally along the nerve or the involved branch if symptoms are localized?
Answer from: Radiation Oncologist at Academic Institution
Short answer: NO. Target is preferable to the cisternal segment and we have always cusped into the DREZ on the first treatment. Distal treatment nearer the Meckel's Cave and even beyond becomes more akin to a Rhizotomy and will have more likelihood of sensory loss and ultimately deafferentation...
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