Journal of Radiation Research and Radiation Processing, Volume. 40, Issue 5, 050302(2022)
Setup error and planning target volume boundary in foam-immobilized radiotherapy for breast cancer
Figures & Tables(8)
Fig. 3. Osseous registration results of mmobilized CT images and CBCT images
Fig. 4. Frequency distribution histogram of set-up error in X/Y/Z direction
Table 1. Individual set-up errorin 31 patients with breast cancer
View tableView in ArticleTable 1. Individual set-up errorin 31 patients with breast cancer
患者编号
No.
X方向（左右）
X direction (left-right)
Y方向（头脚）
Y direction (the head and foot)
Z方向（腹背）
Z direction (the abdomen and back)
系统误差
Systematic error
随机误差
Random error
系统误差
Systematic error
随机误差
Random error
系统误差
Systematic error
随机误差
Random error
1 -0.37 1.81 -0.37 1.48 0.90 3.06 2 -3.18 0.64 1.03 1.64 -0.28 0.59 3 -1.40 3.14 -2.65 1.07 -2.30 3.55 4 -0.98 1.40 0.80 1.17 4.15 1.39 5 1.50 0.88 0.53 0.98 1.63 0.56 6 -1.78 0.85 0.73 1.35 0.95 1.04 7 1.28 0.79 -1.43 1.58 -0.45 0.40 8 1.80 0.44 2.07 1.40 -0.53 2.25 9 0.43 1.75 -2.21 2.03 -2.67 4.65 10 1.30 0.61 0.10 0.46 -2.33 0.59 11 1.30 0.89 2.45 0.44 1.60 1.03 12 -3.24 2.22 -1.72 2.10 1.58 1.20 13 -1.52 1.17 -3.60 1.13 -4.56 0.80 14 -1.13 1.03 -0.10 1.31 -0.43 1.90 15 0.63 1.02 3.30 1.28 -0.20 1.07 16 0.53 0.68 0.58 1.76 1.23 0.85 17 -1.30 0.61 0.58 2.97 1.58 1.00 18 0.13 2.68 2.03 1.12 -2.13 4.67 19 -1.33 1.48 3.08 0.46 -2.80 1.41 20 0.17 2.00 -0.30 0.35 -2.40 0.44 21 -2.08 1.33 -1.58 1.71 0.43 4.85 22 0.00 1.35 0.65 1.11 0.15 1.06 23 0.53 0.29 0.13 1.50 -0.90 0.26 24 0.68 1.42 -0.34 0.96 -1.24 1.34 25 1.28 1.40 3.73 0.59 -0.93 1.68 26 -1.58 1.13 0.42 0.80 0.02 1.37 27 2.05 1.31 2.23 1.14 0.38 1.20 28 0.33 2.00 2.93 0.67 0.60 1.99 29 -0.33 1.85 0.83 1.16 0.63 1.42 30 -0.38 0.83 -0.17 1.55 -0.30 1.53 31 1.03 0.32 -3.33 0.74 -3.10 0.92
Table 2.
Group set-up error in 31 patients with breast cancer View tableView in ArticleTable 2.
Group set-up error in 31 patients with breast cancer 坐标方向
Coordinate direction
绝对最大值
Absolute maximum
绝对最小值
Absolute minimum
群体系统误差
Population systematic error
群体随机误差
Population random error
X轴 X axis 4.9 0 1.40 0.67 Y轴 Y axis 6.4 0 1.89 0.56 Z轴 Z axis 8.7 0 1.68 1.16
Table 3.
Incidence of set-up errors in 31 breast cancer patients View tableView in ArticleTable 3.
Incidence of set-up errors in 31 breast cancer patients 误差范围
Error range
X方向（左右）
X direction (left-right)
Y方向（头脚）
Y direction (the head and foot)
Z方向（腹背）
Zdirection (the abdomen and back)
≤3 mm 116(88.55) 104(79.39) 99(75.57) 3~5 mm 15(11.45) 25(19.08) 24(18.32) >5 mm 0(0.00) 2(1.53) 8(6.11)
Table 4.
Set-up errors of breast cancer patients and expand margins of PTV View tableView in ArticleTable 4.
Set-up errors of breast cancer patients and expand margins of PTV X方向（左右）
X direction (left-right)
Y方向（头脚）
Y direction (the head and foot)
Z方向（腹背）
Z direction (the abdomen and back）
∑ 1.40 1.89 1.68 δ 0.67 0.56 1.16 MPTV / mm 3.98 5.11 5.02
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Yuan CHENG, Zhenghuan LI, Youlin CHEN, Suyu LI. Setup error and planning target volume boundary in foam-immobilized radiotherapy for breast cancer[J]. Journal of Radiation Research and Radiation Processing, 2022, 40(5): 050302
Paper Information
Category: Research Articles
Received: Mar. 3, 2022
Accepted: Jun. 21, 2022
Published Online: Nov. 3, 2022
The Author Email: LI Suyu (lisuyu2008@163.com)
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