Intra-Fraction Motion in Frameless Trigeminal Radiosurgery

Abstract

the plans for all 5 patients bilaterally. Coverage was acceptable with an average of 45 Gy covering the 90% IDL. Conclusion: This study demonstrates the feasibility of delivering ablative doses of SABR to the medial branch nerves of the lumbar spine below the level of the cord. OARs received acceptable doses, with lower values obtained from the plans with targeted radiation to the nerves when compared with plans involving radiation to the entire facet. PTV coverage was not compromised. Though efficacy would require in vivo testing, with accurate targeting and the assistance of IR in selecting appropriate patients, SABR may provide a noninvasive, reasonable, and effective treatment option for facetogenic low back pain.