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Table 3 Absolute dosimetric differences between SCECT and CECT of each cardiac substructure averaged over 20 patients

From: Synthetic contrast-enhanced computed tomography generation using a deep convolutional neural network for cardiac substructure delineation in breast cancer radiation therapy: a feasibility study

Structure

Dmax

Dmean

V5Gy

V10Gy

V20Gy

V30Gy

V40Gy

(Unit)

Gy

Gy

%

%

%

%

%

Heart

0.65 ± 1.50

0.13 ± 0.27

0.72 ± 1.34

0.41 ± 0.94

0.23 ± 0.66

0.16 ± 0.50

0.06 ± 0.21

Lt ventricle

0.47 ± 0.93

0.15 ± 0.33

0.71 ± 1.34

0.40 ± 1.16

0.21 ± 0.91

0.19 ± 0.76

0.07 ± 0.31

Lt atrium

0.25 ± 0.47

0.10 ± 0.12

0.84 ± 1.60

0.28 ± 0.85

0.00 ± 0.01

0.00 ± 0.00

0.00 ± 0.00

Rt ventricle

0.93 ± 1.60

0.21 ± 0.21

1.95 ± 2.68

0.75 ± 1.24

0.16 ± 0.47

0.08 ± 0.32

0.01 ± 0.06

Rt atrium

1.56 ± 2.90

0.28 ± 0.38

2.90 ± 4.46

0.76 ± 1.68

0.39 ± 0.97

0.14 ± 0.52

0.02 ± 0.09

LAD

0.38 ± 0.39

0.49 ± 1.10

2.81 ± 5.47

1.24 ± 3.45

1.20 ± 3.67

1.04 ± 4.02

0.03 ± 0.11

RCA

1.23 ± 1.63

0.59 ± 0.80

6.64 ± 8.57

3.61 ± 6.81

1.08 ± 3.57

1.11 ± 4.95

0.18 ± 0.82

  1. V50Gy or higher is not displayed because most values are zero or converge to zero
  2. CECT, contrast-enhanced computed tomography; SCECT, synthetic contrast-enhanced computed tomography; LAD, left anterior descending; RCA, right coronary artery