The Effectiveness of Volumetric Modulated arc Radiotherapy to Treat Patients with Metastatic Spinal Tumors
- Authors
- 박효국; 김성철
- Issue Date
- 2017
- Publisher
- 한국콘텐츠학회
- Keywords
- Volumetric Modulated Arc Radiotherapy; Cyberknife; Tomotherapy; Spinal Tumors; Stereotactic Body Radiation Therapy
- Citation
- International Journal of Contents, v.13, no.4, pp.12 - 15
- Journal Title
- International Journal of Contents
- Volume
- 13
- Number
- 4
- Start Page
- 12
- End Page
- 15
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/7327
- DOI
- 10.5392/IJoC.2017.13.4.012
- ISSN
- 1738-6764
- Abstract
- Among the possible stereotactic body radiation therapy (SBRT) modalities used to treat patients with metastatic spinal tumors, this study compared Cyberknife, tomotherapy, and volumetric modulated arc radiotherapy (VMAT). We established treatment plans for each of them modality and quantitatively analyzed the dose evaluation factors of the dose-volume histogram (DVH) for all spinal bones, focusing on the tumor and spinal cord, in order to examine the usefulness of VMAT. For the treatment planning dose, the mean dose (Dmax) and D5% showed statistical differences in the target dose, but no difference was shown in the spinal cord dose. For the DVH indices, tomotherapy showed the best performance was the best in terms of uniformity index, while VMAT showed better performance was better than the other two modalities in terms of the conformity index and the dose gradient index. VMAT had a much shorter treatment time than Cyberknife and tomotherapy. These findings suggest that VMAT FFF is the most effective therapy for SBRT of patients with metastatic spinal tumors for whom a high dose of radiation is prescribed.
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