• Journal of Radiation Research and Radiation Processing
  • Vol. 41, Issue 3, 030302 (2023)
Hua CHEN, Yan SHAO, Hao WANG, Hengle GU..., Yanhua DUAN, Aihui FENG, Ying HUANG, Yang LIN, Zhenjiong SHEN and Zhiyong XU*|Show fewer author(s)
Author Affiliations
  • Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, China
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    DOI: 10.11889/j.1000-3436.2022-0111 Cite this Article
    Hua CHEN, Yan SHAO, Hao WANG, Hengle GU, Yanhua DUAN, Aihui FENG, Ying HUANG, Yang LIN, Zhenjiong SHEN, Zhiyong XU. Intensity-modulated radiotherapy dose validation based on real respiratory motion parameters in lung cancer patients[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(3): 030302 Copy Citation Text show less
    Respiratory motion amplitudes and periods of 27 patients: (a) respiratory motion amplitudes; (b) respiratory motion periods
    Fig. 1. Respiratory motion amplitudes and periods of 27 patients: (a) respiratory motion amplitudes; (b) respiratory motion periods
    γ-passage rate of static and in real respiratory motion with different tumor motion amplitudes of the head-foot direction: (a) comparison of mean values of γ-passage rates for different amplitudes of motion in the head-foot direction of real respiratory motion; (b) individual differences in γ-passage rates for different amplitudes of motion in the head-foot direction of real respiratory motion
    Fig. 2. γ-passage rate of static and in real respiratory motion with different tumor motion amplitudes of the head-foot direction: (a) comparison of mean values of γ-passage rates for different amplitudes of motion in the head-foot direction of real respiratory motion; (b) individual differences in γ-passage rates for different amplitudes of motion in the head-foot direction of real respiratory motion
    γ-passage rate of static and in real respiratory motion with different tumor motion amplitudes of the left-right direction: (a) comparison of mean values of γ-passage rates for different amplitudes of motion in the left-right direction of real respiratory motion; (b) individual differences in γ-passage rates for different amplitudes of motion in the left-right direction of real respiratory motion
    Fig. 3. γ-passage rate of static and in real respiratory motion with different tumor motion amplitudes of the left-right direction: (a) comparison of mean values of γ-passage rates for different amplitudes of motion in the left-right direction of real respiratory motion; (b) individual differences in γ-passage rates for different amplitudes of motion in the left-right direction of real respiratory motion

    状态

    State

    γ通过率 γ-passage rate

    p

    p value

    呼吸运动周期

    ≤3.1 s

    Respiratory motion period ≤3.1 s

    呼吸运动周期

    >3.1 s

    Respiratory motion period >3.1 s

    静止状态

    Static state

    97.1±1.697.2±1.70.297

    头脚方向

    Head-foot

    direction

    85.9±10.284.8±13.80.166

    左右方向Left-right

    direction

    94.1±4.495.7±2.3<0.001
    Table 1. Comparison of γ-passage rates for different respiratory motion periods in static and respiratory motion states
    Hua CHEN, Yan SHAO, Hao WANG, Hengle GU, Yanhua DUAN, Aihui FENG, Ying HUANG, Yang LIN, Zhenjiong SHEN, Zhiyong XU. Intensity-modulated radiotherapy dose validation based on real respiratory motion parameters in lung cancer patients[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(3): 030302
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