Frequency filtering based analysis on the cardiac induced lung tumor motion and its impact on the radiotherapy management
作者: Ting ChenSongbing QinXiaoting XuSalma K. JabbourBruce G. HafftyNing J. Yue
作者单位: 1Department of Radiation Oncology, Rutgers Cancer Institute of New Jersey, Rutgers University, New Brunswick, USA
2Department of Radiation Oncology, The First Affiliated Hospital of Soochow University, Suzhou, China
刊名: Radiotherapy and Oncology, 2014, Vol.112 (3), pp.365-370
来源数据库: Elsevier Journal
DOI: 10.1016/j.radonc.2014.08.007
关键词: Frequency analysisCardiac motionRespiratory motionLung tumorFluoroscopyDeformable image registration
英文摘要: Abstract(#br)Purpose/objectives(#br)Lung tumor motion may be impacted by heartbeat in addition to respiration. This study seeks to quantitatively analyze heart-motion-induced tumor motion and to evaluate its impact on lung cancer radiotherapy.(#br)Methods/materials(#br)Fluoroscopy images were acquired for 30 lung cancer patients. Tumor, diaphragm, and heart were delineated on selected fluoroscopy frames, and their motion was tracked and converted into temporal signals based on deformable registration propagation. The clinical relevance of heart impact was evaluated using the dose volumetric histogram of the redefined target volumes.(#br)Results(#br)Correlation was found between tumor and cardiac motion for 23 patients. The heart-induced motion amplitude ranged from 0.2 to 2.6...
全文获取路径: Elsevier  (合作)
分享到:
来源刊物:
影响因子:4.52 (2012)

×
关键词翻译
关键词翻译
  • motion 运动
  • filtering 滤波
  • registration 记录
  • analysis 分析
  • image 
  • impact 冲击碰撞
  • radiotherapy 放射线疗法
  • management 管理
  • induced 感应的
  • based 基于