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Table 3 Comparison of patient setup errors between CBCT and US image-based localization with and without couplant pad (CP)

From: A patient-specific three-dimensional couplant pad for ultrasound image-guided radiation therapy: a feasibility study

 

CBCT vs. US without CP

CBCT vs. US with CP

LR (mm)

− 0.3 ± 2.3

0.3 ± 1.9

AP (mm)

−1.9 ± 1.8

−0.8 ± 1.6

IS (mm)

0.8 ± 1.4

1.3 ± 1.2

3D (mm)

3.4 ± 1.4

2.9 ± 1.2

  1. Abbreviations: LR Left-Right, AP Anterior-Posterior, IS Inferior-Superior, 3D the amplitude of three-dimensional vector, CBCT Cone-Beam Computed Tomography, US Ultrasound, CP Couplant Pad
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Radiation Oncology

ISSN: 1748-717X

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