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Table 2 Dose-volume histogram parameters of organs-at-risk

From: Dosimetric effect of respiratory motion on planned dose in whole-breast volumetric modulated arc therapy using moderate and ultra-hypofractionation

  

3D-CRT

RA

E-VMAT

Planned

Perturbed

Plan

Perturbed

Planned

Perturbed

5fr

15fr

5fr

15fr

5fr

15fr

Lung R

V40%

12.6 ± 4.0

12.7 ± 4.2

12.7 ± 4.2

12.2 ± 1.3

12.1 ± . 1.5

12.1 ± 1.5

10.5 ± 2.6

10.4 ± 2.7

10.3 ± 2.7

 

Mean

13.8 ± 3.6

13.8 ± 3.7

13.8 ± 3.7

14.1 ± 1.0

14.0 ± 1.2

14.0 ± 1.2

13.1 ± 2.0

13.2 ± 2.2

13.2 ± 2.2

 

D1cc

97.4 ± 2.6

96.8 ± 2.5

96.7 ± 2.6

93.9 ± 2.9

93.1 ± 3.0

93.1 ± 3.4

92.9 ± 4.1

91.9 ± 4.6

91.7 ± 4.5

Lung L

D1cc

1.7 ± 0.7

1.7 ± 0.7

1.7 ± 0.7

3.6 ± 2.1

3.5 ± 2.2

3.6 ± 2.2

4.1 ± 2.1

4.2 ± 2.0

4.1 ± 2.0

 

Mean

0.4 ± 0.1

0.4 ± 0.1

0.4 ± 0.1

0.5 ± 0.1

0.5 ± 0.1*

0.5 ± 0.1*

1.0 ± 0.3

1.2 ± 0.3

1.2 ± 0.3

Heart

D1cc

7.6 ± 8.0

7.7 ± 7.7

7.7 ± 7.7

10.2 ± 6.2

10.5 ± 6.3

10.5 ± 6.4

7.7 ± 4.9

7.8 ± 4.2

7.8 ± 4.2

 

Mean

1.2 ± 0.2

1.2 ± 0.2

1.2 ± 0.2

1.6 ± 0.3

1.6 ± 0.3

1.6 ± 0.3

2.0 ± 0.4

2.2 ± 0.4

2.2 ± 0.4

Breast L

D1cc

5.7 ± 4.3

5.1 ± 3.3

5.1 ± 3.3

27.7 ± 11.1

25.4 ± 9.3

25.4 ± 9.3

12.7 ± 4.3

11.6 ± 3.4

11.6 ± 3.4

 

Mean

0.6 ± 0.2

0.6 ± 0.2

0.6 ± 0.2

2.1 ± 0.7

2.0 ± 0.6

2.0 ± 0.6

1.6 ± 0.4

1.7 ± 0.4

1.7 ± 0.4

Liver

D1cc

31.5 ± 32.7

36.0 ± 34.4

35.9 ± 34.4

25.1 ± 27.9

27.7 ± 26.2

27.7 ± 26.1

22.7 ± 26.6

25.4 ± 24.8

25.4 ± 24.8

Body

D1cc

108.5 ± 1.1

107.9 ± 1.0

107.8 ± 1.2

106.5 ± 0.9

106.1 ± 1.0

106.1 ± 1.1

104.8 ± 0.6

104.5 ± 0.5*

104.2 ± 0.8*

  1. The Planned and Perturbed columns indicate the planned and respiratory motion perturbed parameters, respectively. The units of D1cc and Mean are presented as percentages of the prescribed dose. Statistical significance between the planned and respiratory motion perturbed dose is represented by bolding (p < 0.05) and between fractionations by an asterisk (p < 0.05)