Leng Lingxuan,Zhu Qizhen,Zhang Wunjun,et al.Application of spectral CT in radiotherapy[J].Chinese Journal of Radiological Medicine and Protection,2025,45(5):492-496
Application of spectral CT in radiotherapy
Received:August 13, 2024  
DOI:10.3760/cma.j.cn112271-20240813-00304
KeyWords:Spectral CT  Radiotherapy  Image quality  Dose calculation  Quantitative assessment
FundProject:国家重点研发计划资助(2022YFC2404606);中央高水平医院临床科研业务费资助(2022-PUMCH-B-116)
Author NameAffiliationE-mail
Leng Lingxuan Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100703, China  
Zhu Qizhen Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100703, China  
Zhang Wunjun Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100703, China  
Yang Jingru Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100703, China  
Li Wenbo Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100703, China  
Yu Lang Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100703, China  
Yang Bo Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100703, China  
Qiu Jie Department of Radiation Oncology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100703, China qiujie@pumch.cn 
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Abstract::
      Spectral computed tomography (CT) has triggered a technological revolution in radiodiagnosis while demonstrating its increasing application value in radiotherapy. Employing dual-energy techniques for material decomposition, spectral CT provides optimized solutions for several critical aspects of radiotherapy. Based on a review of the application situation of spectral CT in radiotherapy, this study delved into spectral CT's significant advantages in image quality improvement, precise dose calculation, and comprehensive quantitative assessment. Furthermore, this study envisioned the development orientations and application prospects of spectral CT.
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