Hippocampal-sparing and target volume coverage in treating 3 to 10 brain metastases: A comparison of Gamma Knife, single-isocenter VMAT, CyberKnife, and.

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Hippocampal-sparing and target volume coverage in treating 3 to 10 brain metastases: A comparison of Gamma Knife, single-isocenter VMAT, CyberKnife, and TomoTherapy stereotactic radiosurgery Isabella Zhang, MD, Jeff Antone, CMD, Jenny Li, MS, Shyamali Saha, MS, Adam C. Riegel, PhD, Lili Vijeh, CMD, Joe Lauritano, CMD, Mihaela Marrero, MS, Sussan Salas, MD, Michael Schulder, MD, Heather Zinkin, MD, Anuj Goenka, MD, Jonathan Knisely, MD Practical Radiation Oncology Volume 7, Issue 3, Pages 183-189 (May 2017) DOI: 10.1016/j.prro.2017.01.012 Copyright © 2017 American Society for Radiation Oncology Terms and Conditions

Figure 1 Treatment techniques and pre– and post–hippocampal sparing plans for 1 plan that required replanning on all 4 platforms to meet hippocampal constraints. Cyan, 8 Gy; green, 12 Gy; purple, hippocampi; red, 20 Gy; VMAT, volumetric modulated arc therapy. Practical Radiation Oncology 2017 7, 183-189DOI: (10.1016/j.prro.2017.01.012) Copyright © 2017 American Society for Radiation Oncology Terms and Conditions

Figure 2 Left and right hippocampal doses before and after hippocampal sparing using VMAT stereotactic radiosurgery. Blue, pre–hippocampal sparing; red, post–hippocampal sparing; VMAT, volumetric modulated arc therapy. Practical Radiation Oncology 2017 7, 183-189DOI: (10.1016/j.prro.2017.01.012) Copyright © 2017 American Society for Radiation Oncology Terms and Conditions