Numbness Incidence after Radiosurgery for Trigeminal Neuralgia According to Changes in Treatment Protocol at UCLA


Alessandra Gorgulho, MD, from the University of California Los Angeles (UCLA) discusses numbness incidence after radiosurgery for trigeminal neuralgia patients according to changes in treatment protocol at UCLA. The purpose of the study from which these findings were taken was to analyze the impact of the isocenter positioning on the incidence of numbness with the rationale that increased radiation dose to the brainstem may lead to a higher rate of facial numbness. She then goes into a detailed overview of this study, its demographics and results.


Video Transcript

So, as Dr. De Salles already mentioned about the title, at UCLA, we changed the protocol during three periods of time. And we decided to do a retrospective analysis comparing which was the impact on facial numbness. So, the purpose was then to compare, if progressive increased doses to the root entry zone and therefore to the Pons would have an impact on the facial numbness outcome. That's the most common complication from radiosurgery for trigeminal neuralgia. And the rationale is that if we're increasing the dose to the transition myelin zone that's more radiation-sensitive, and that's where it's believed...

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