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학술논문

Comparison of radiotherapy techniques in patients with thymic epithelial tumor who underwent postoperative radiotherapy

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영문명
Comparison of radiotherapy techniques in patients with thymic epithelial tumor who underwent postoperative radiotherapy
발행기관
대한방사선종양학회
저자명
Hyunseok Lee Dongryul Oh Yong Chan Ahn Hongryull Pyo Kyungmi Yang Jae Myoung Noh
간행물 정보
『대한방사선종양학회지』제42권 제1호, 43~49쪽, 전체 7쪽
주제분류
의약학 > 종양학
파일형태
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발행일자
2024.03.30
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논문 표지

국문 초록

영문 초록

Purpose: This retrospective study aimed to compare clinical outcomes and dosimetric parameters between radiation therapy (RT) techniques in patients with thymic epithelial tumor (TET). Materials and Methods: From January 2016 to December 2020, 101 patients with TET received adjuvant RT (median, 52.8 Gy; range, 48.4 to 66.0). Three different RT techniques were compared: three-dimensional conformal RT (3D-CRT; n = 59, 58.4%), intensity-modulated RT (IMRT; n = 23, 22.8%), and proton beam therapy (PBT; n = 19, 18.8%). Results: The median age of the patients and the follow-up period were 55 years (range, 28 to 79) and 43.4 months (range, 7.7 to 77.2). Patients in the PBT group were of the youngest age (mean age, 45.4 years), while those in IMRT group had the largest clinical target volume (mean volume, 149.6 mL). Patients in the PBT group had a lower mean lung dose (4.4 Gy vs. 7.6 Gy vs. 10.9 Gy, respectively; p < 0.001), lower mean heart dose (5.4 Gy vs. 10.0 Gy vs. 13.1 Gy, respectively; p = 0.003), and lower mean esophageal dose than patients in the 3D-CRT and IMRT groups (6.3 Gy vs. 9.8 Gy vs. 13.5 Gy, respectively; p = 0.011). Twenty patients (19.8%) showed disease recurrence, and seven patients (6.9%) died. The differences in the survival rates between RT groups were not statistically significant. Conclusion: In patients with TET who underwent adjuvant RT, PBT resulted in a lower dose of exposure to adjacent organs at risk. Survival outcomes for patients in PBT group were not significantly different from those in other groups.

목차

Introduction
Materials and Methods
Results
Discussion and Conclusion
Statement of Ethics
Conflict of Interest
Funding
Author Contributions
Data Availability Statement
References

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APA

Hyunseok Lee,Dongryul Oh,Yong Chan Ahn,Hongryull Pyo,Kyungmi Yang,Jae Myoung Noh. (2024).Comparison of radiotherapy techniques in patients with thymic epithelial tumor who underwent postoperative radiotherapy. 대한방사선종양학회지, 42 (1), 43-49

MLA

Hyunseok Lee,Dongryul Oh,Yong Chan Ahn,Hongryull Pyo,Kyungmi Yang,Jae Myoung Noh. "Comparison of radiotherapy techniques in patients with thymic epithelial tumor who underwent postoperative radiotherapy." 대한방사선종양학회지, 42.1(2024): 43-49

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