Journal MSMA • VOLUME LXI • NO. 4 • 2020

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immobilization. Fractionated treatments are possible with the mask for larger targets and lesions abutting critical structures which are otherwise not suitable for single-fraction SRS. Improved workflow flexibility with the use of cone beam CT improves patient comfort and convenience. Overall the Gamma Knife Icon is very robust and reliably provides a complete solution for intracranial SRS/SRT. As the only academic medical center in the state, UMMC is tasked with the improvement of the health of all Mississippians and we believe this is another important tool as we advance in that mission. n

2. Hamilton T, Dade Lunsford L. Worldwide variance in the potential utilization of gamma knife radiosurgery. J Neurosurg. 2016;125(Suppl 1):160–165. 3. Fu L, Perera H, Ying X, et al. Importance of CBCT setup verification for optical-guided frameless radiosurgery. J Appl Clin Med Phys. 2014;15(3):4487. 4. McTyre E, Helis CA, Farris M, et al. Emerging indications for fractionated gamma knife radiosurgery. Neurosurgery. 2017;80(2):210–216. 5. Levivier M, Carrillo RE, Charrier R, et al. A real-time optimal inverse planning for gamma knife radiosurgery by convex optimization: description of the system and first dosimetry data. J Neurosurg. 2018;129(Suppl1):111–117.

Author Information

Acknowledgments We acknowledge Dr. Eldrin Bhanat for helping edit and format the paper. Conflict of Interest Disclosures: The authors have nothing to disclose. References 1. Chung HT, Park WY, Kim TH, et al. Assessment of the accuracy and stability of frameless gamma knife radiosurgery. J Appl Clin Med Phys. 2018;19(4):148– 154.

Department of Radiation Oncology, University of Mississippi Medical Center, Jackson (Kanakamedala, Packianathan, Yang, Vijayakumar). Department of Neurosurgery, University of Mississippi Medical Center, Jackson (Rey-Dios, Uribe). Corresponding Author: Madhava R. Kanakamedala, MD, Assistant Professor, Department of Radiation Oncology, University of Mississippi Medical Center, 2500 N. State St., Jackson, MS 39216 Ph: (601) 815-6933, Fax: (601) 815-6876, Cell (312) 231-9147 (

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