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Kang CL, Lee TF, Chan SH, Liu SC, Wang JC, Tsai CH, Liao KC, Fang FM, Chang L, Huang CC. Comparison of Intrafractional Motion in Head and Neck Cancer Between Two Immobilization Methods During Stereotactic Ablative Radiation Therapy by CyberKnife. Cancer Manag Res 2021; 12:13599-13606. [PMID: 33447079 PMCID: PMC7802594 DOI: 10.2147/cmar.s283746] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 11/28/2020] [Indexed: 12/25/2022] Open
Abstract
Purpose Maintaining immobilization to minimize spine motion is very important during salvage stereotactic ablative radiation therapy (SABR) for recurrent head and neck cancer. This study aimed to compare the intrafractional motion between two immobilization methods. Patients and Methods With a spine tracking system for image guiding, 9094 records from 41 patients receiving SABR by CyberKnife were obtained for retrospective comparison. Twenty-one patients were immobilized with a thermoplastic mask and headrest (Group A), and another 20 patients used a thermoplastic mask and headrest together with a vacuum bag to support the head and neck area (Group B). The intrafractional motion in the X (superior-inferior), Y (right-left), Z (anterior-posterior) axes, 3D (three-dimensional) vector, Roll, Pitch and Yaw in the two groups was compared. The margins of the planning target volume (PTV) to cover 95% intrafractional motion were evaluated. Results The translational movements in the X-axis, Y-axis, and 3D vector in Group A were significantly smaller than in Group B. The rotational errors in the Roll and Yaw in Group A were also significantly smaller than those in Group B; conversely, those in the Pitch in Group A were larger. To cover 95% intrafractional motion, margins of 0.96, 1.55, and 1.51 mm in the X, Y and Z axes, respectively were needed in Group A, and 1.06, 2.86, and 1.34 mm, respectively were required in Group B. Conclusion The immobilization method of thermoplastic mask and head rest with vacuum bag did not provide better immobilization than that without vacuum bag in most axes. The clinical use of 2 mm as a margin of PTV to cover 95% intrafractional motion was adequate in Group A but not in Group B.
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Affiliation(s)
- Chen-Lin Kang
- Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management, Kaohsiung, Taiwan.,Department of Information Engineering, I-Shou University, Kaohsiung, Taiwan
| | - Tsair-Fwu Lee
- Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Medical Physics and Informatics Laboratory of Electronics Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, Taiwan.,Biomedical Engineering, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shan-Ho Chan
- Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management, Kaohsiung, Taiwan
| | - Shyh-Chang Liu
- Department of Information Engineering, I-Shou University, Kaohsiung, Taiwan
| | - Jui-Chu Wang
- Department of Anatomical Pathology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Cheng-Hsiang Tsai
- Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Kuan-Cho Liao
- Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Fu-Min Fang
- Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Liyun Chang
- Department of Medical Imaging and Radiological Sciences, I-Shou University, Kaohsiung, Taiwan
| | - Chun-Chieh Huang
- Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Vargo JA, Moiseenko V, Grimm J, Caudell J, Clump DA, Yorke E, Xue J, Vinogradskiy Y, Moros EG, Mavroidis P, Jain S, El Naqa I, Marks LB, Heron DE. Head and Neck Tumor Control Probability: Radiation Dose-Volume Effects in Stereotactic Body Radiation Therapy for Locally Recurrent Previously-Irradiated Head and Neck Cancer: Report of the AAPM Working Group. Int J Radiat Oncol Biol Phys 2018; 110:137-146. [PMID: 29477291 DOI: 10.1016/j.ijrobp.2018.01.044] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 12/30/2017] [Accepted: 01/10/2018] [Indexed: 11/25/2022]
Abstract
PURPOSE Stereotactic body radiation therapy (SBRT) has emerged as a viable reirradiation strategy for locally recurrent previously-irradiated head and neck cancer. Doses in the literature have varied, which challenges clinical application of SBRT as well as clinical trial design. MATERIAL & METHODS A working group was formed through the American Association of Physicists in Medicine to study tumor control probabilities for SBRT in head and neck cancer. We herein present a systematic review of the available literature addressing the dose/volume data for tumor control probability with SBRT in patients with locally recurrent previously-irradiated head and neck cancer. Dose-response models are generated that present tumor control probability as a function of dose. RESULTS Data from more than 300 cases in 8 publications suggest that there is a dose-response relationship, with superior local control and possibly improved overall survival for doses of 35 to 45 Gy (in 5 fractions) compared with <30 Gy. CONCLUSION Stereotactic body radiation therapy doses equivalent to 5-fraction doses of 40 to 50 Gy are suggested for retreatment.
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Affiliation(s)
- John A Vargo
- Department of Radiation Oncology, West Virginia University, Morgantown, West Virginia
| | - Vitali Moiseenko
- Radiation Medicine & Applied Sciences, University of California, San Diego, La Jolla, California
| | - Jimm Grimm
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, Baltimore, Maryland
| | - Jimmy Caudell
- H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - David A Clump
- Department of Radiation Oncology, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Ellen Yorke
- Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jinyu Xue
- Department of Radiation Oncology, M. D. Anderson Cancer Center at Cooper University Hospital, Camden, New Jersey
| | | | - Eduardo G Moros
- H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Panayiotis Mavroidis
- Department of Radiation Oncology and Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Sheena Jain
- Bott Cancer Center, Holy Redeemer Hospital, Meadowbrook, Pennsylvania
| | | | - Lawrence B Marks
- Department of Radiation Oncology and Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Dwight E Heron
- Department of Radiation Oncology, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
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Lim CM, Clump DA, Heron DE, Ferris RL. Stereotactic Body Radiotherapy (SBRT) for primary and recurrent head and neck tumors. Oral Oncol 2013; 49:401-6. [PMID: 23332685 DOI: 10.1016/j.oraloncology.2012.12.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2012] [Revised: 12/18/2012] [Accepted: 12/19/2012] [Indexed: 11/30/2022]
Abstract
Stereotactic Body Radiotherapy (SBRT) is increasingly used to treat a variety of head and neck tumors as a result of its highly conformal dose distributions and stereotactic spatial accuracy in delivery. Our experience and other previous reports have shown that SBRT is technically feasible, well-tolerated and compares favorably to other alternatives of salvage therapy in the management of patients with recurrent and/or previously irradiated head and neck cancers. Furthermore, it has the advantage of a shorter treatment schedule, greater compliance, and safe delivery in the outpatient setting. This affords an opportunity to introduce SBRT as a definitive treatment in select patients. This review presents an overview of the use of SBRT for managing head and neck tumors by highlighting the existing indications and the expanding role of SBRT in managing these patients.
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Affiliation(s)
- Chwee Ming Lim
- Department of Otolaryngology, University of Pittsburgh Medical Center, PA, USA
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