Review of 6D Setup and Monitoring for Spine SRS Treatment


Amol J. Ghia, MD, Radiation Oncologist at the University of Texas M.D. Anderson Cancer Center discusses 6D setup and monitoring for spine radiosurgery (SRS) treatments. He begins by presenting a few illustrative cases before delving into the critical factors of SRS setup, most specifically alignment facilitated by immobilization and image guidance. He then goes through his institution’s workflow for planning, patient immobilization and intrafractional position verification. Dr. Ghia discusses a prospective validation of treatment accuracy using implanted fiducial markers for spinal stereotactic body radiation therapy (SBRT). Finally, he discusses ExacTrac Dynamic in terms of real-time motion monitoring, its new features and compares it to ExacTrac X-Ray.


Video Transcript

Thank you very much. It's an honor to be here. So I'm gonna talk a little bit about the 6D setup and monitoring for spine SRS treatment. Here are my disclosures. And I'm gonna start off by a few illustrative cases. And so this is a gentleman who had melanoma at an oligometastatic disease at T11, with epidural extension of disease displacing the cord laterally. And we treated them on a protocol with spinal radiosurgery alone. He was deemed inoperable. And at my institution, our preferred approach is to treat with a simultaneous integrated boost technique, but also to dose...

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