Effects of automatic registration range settings of cone-beam computed tomography (CBCT) on target volume accuracy and clinical applications for breast cancer

Guoquan CHEN; Jiannan FANG; Jin YANG; Huan LI; Xixian WANG; Zairen GUO; Yujia MA; Juntian SHI; Xiaobo HUANG

doi:10.11889/j.1000-3436.2023-0035

Journal of Radiation Research and Radiation Processing, Volume. 41, Issue 6, 060301(2023)

Effects of automatic registration range settings of cone-beam computed tomography (CBCT) on target volume accuracy and clinical applications for breast cancer

Guoquan CHEN, Jiannan FANG, Jin YANG, Huan LI, Xixian WANG, Zairen GUO, Yujia MA, Juntian SHI, and Xiaobo HUANG^*

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Figures & Tables(5)

Fig. 1. Illustration of registration range of different matching frames for CBCT of breast cancer patients and position fixation device (a, b, c are sternum group, thoracic group, and research group)

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Fig. 2. 3D vector distance frequency distribution of metal clips in the target area of three matching frames in 22 breast cancer IMRT patients

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Fig. 3. 3D vector distance histogram of metal clips in the target area of three matching frames in 22 breast cancer IMRT patients

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Table 1. Comparison of IMRT linear placement and rotation errors in three different matching box of 22 patients with breast cancer

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Table 1. Comparison of IMRT linear placement and rotation errors in three different matching box of 22 patients with breast cancer

项目 Project	胸骨组 Sternum group	胸椎组 Thoracic group	胸骨胸椎+靶区组 Research group	p值^* p value^*
平移误差 Linear error / mm
X轴 X-axis (Left-right)	2.57±1.80	2.49±1.90	2.31±1.79	0.434^a、0.999^b、0.990^c
Y轴 Y-axis (The head and foot)	2.91±2.05	2.79±2.31	2.75±2.13	0.999^a、0.987^b、0.792^c
Z轴 Z-axis (The abdomen and back)	2.58±2.08	2.63±2.29	2.34±1.88	0.869^a、0.999^b、0.999^c
旋转误差 Rotation error / (°)
R_x轴 R_x (Pitch)	0.86±0.64	0.76±0.60	0.69±0.55	0.034^a、0.812^b、0.460^c
R_y轴 R_y (Roll)	0.85±0.62	0.77±0.60	0.80±0.56	0.999^a、0.976^b、0.658^c
R_z轴 R_z (Yaw)	0.72±0.58	0.75±0.64	0.66±0.55	0.971^a、0.505^b、0.999^c

Table 2. Comparison of IMRT CBCT imaging and CT imaging target positioning metal clip displacement in three different matching box of 22 patients with breast cancer

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Table 2. Comparison of IMRT CBCT imaging and CT imaging target positioning metal clip displacement in three different matching box of 22 patients with breast cancer

项目

Project

胸骨组

Sternum group

胸椎组

Thoracic group

胸骨胸椎+靶区组

Research group

p值^*

pvalue^*

X轴 X-axis (Left-right)

1.59±1.61

1.65±1.44

1.13±1.18

0.045^a、0.002^b、0.952^c

Y轴 Y-axis (The head and foot)

1.51±1.83

1.69±1.84

0.91±1.28

0.006^a、<0.001^b、0.817^c

Z轴 Z-axis (The abdomen and back)

1.23±1.19

1.89±1.52

1.37±1.31

0.999^a、0.003^b、<0.001^c

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Guoquan CHEN, Jiannan FANG, Jin YANG, Huan LI, Xixian WANG, Zairen GUO, Yujia MA, Juntian SHI, Xiaobo HUANG. Effects of automatic registration range settings of cone-beam computed tomography (CBCT) on target volume accuracy and clinical applications for breast cancer[J]. Journal of Radiation Research and Radiation Processing, 2023, 41(6): 060301

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Paper Information

Category: Research Articles

Received: May. 16, 2023

Accepted: Jul. 2, 2023

Published Online: Jan. 3, 2024

The Author Email: Xiaobo HUANG (黄晓波)

DOI:10.11889/j.1000-3436.2023-0035

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology