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Table 3 DVH analysis of planned dose and re-calculated dose for organ at risk (OAR)

From: Total marrow lymphoid irradiation IMRT treatment using a novel CT-linac

 

Dmean (Gy)

Dmax (Gy)

D50

(Gy)

V2(%)

V4(%)

V6 (%)

V8 (%)

Small bowel

Plan

5.88 ± 0.95

12.26 ± 1.33

5.22 ± 0.88

100 ± 0

80.14 ± 10.10

35.84 ± 14.71

19.79 ± 13.43

Re-calculated

5.89 ± 1.01

12.53 ± 1.18

5.37 ± 1.14

100 ± 0

80.06 ± 10.40

35.89 ± 15.21

19.57 ± 14.36

Heart

Plan

5.80 ± 1.07

12.68 ± 1.42

4.91 ± 0.77

99.83 ± 0.41

72.94 ± 13.93

33.96 ± 12.19

18.58 ± 13.01

Re-calculated

5.81 ± 1.26

12.13 ± 2.02

5.00 ± 0.87

99.67 ± 0.93

71.10 ± 15.04

34.18 ± 14.74

19.11 ± 15.31

Left

Kidney

Plan

3.77 ± 0.42

10.24 ± 1.80

3.30 ± 0.40

99.72 ± 0.87

30.61 ± 10.56

8.17 ± 5.36

1.84 ± 2.61

Re-calculated

4.17 ± 0.89

10.53 ± 2.19

3.55 ± 0.58

99.68 ± 1.02

36.02 ± 14.52

13.90 ± 12.32

5.98 ± 8.74

Right

Kidney

Plan

3.60 ± 0.32

9.83 ± 1.90

3.19 ± 0.28

98.61 ± 2.92

26.73 ± 8.71

6.61 ± 4.82

1.29 ± 1.85

Re-calculated

3.84 ± 0.63

10.32 ± 1.86

3.29 ± 0.44

98.58 ± 3.13

30.74 ± 13.79

11.37 ± 8.40

4.25 ± 4.98

Left

Lens

Plan

1.40 ± 0.26

1.51 ± 0.31

1.39 ± 0.26

0.00

0.00

0.00

0.00

Re-calculated

1.54 ± 0.52

1.99 ± 0.84

1.50 ± 0.49

16.31 ± 24.71

0.00

0.00

0.00

Right

Lens

Plan

1.41 ± 0.24

1.52 ± 0.29*

1.41 ± 0.24

0.00

0.00

0.00

0.00

Re-calculated

1.51 ± 0.41

1.85 ± 0.63*

1.50 ± 0.38

10.45 ± 22.80

0.00

0.00

0.00

Liver

Plan

5.47 ± 0.89

12.47 ± 1.24

4.76 ± 0.70

99.37 ± 1.08

61.94 ± 11.79

34.49 ± 11.48

18.69 ± 12.51

Re-calculated

5.53 ± 0.97

12.64 ± 1.20

4.85 ± 0.85

99.02 ± 1.39

62.22 ± 13.11

35.03 ± 13.69

20.41 ± 12.54

Left

Lung

Plan

5.58 ± 0.50

13.23 ± 0.56

5.03 ± 0.47

99.71 ± 0.90

64.93 ± 7.21

38.54 ± 6.28

19.17 ± 5.89

Re-calculated

5.53 ± 0.53

13.06 ± 0.55

4.94 ± 0.46

99.59 ± 1.01

63.33 ± 5.80

37.50 ± 6.27

18.85 ± 7.03

Right

Lung

Plan

5.52 ± 0.44

13.06 ± 0.75

5.01 ± 0.43

99.27 ± 1.49

64.52 ± 6.53

38.66 ± 5.57

19.03 ± 5.36

Re-calculated

5.42 ± 0.44

12.86 ± 0.66

4.87 ± 0.38

99.25 ± 1.53

63.25 ± 6.14

36.73 ± 5.05

17.52 ± 5.52

Stomach

Plan

7.28 ± 1.45

12.88 ± 0.82

7.18 ± 1.59

100

94.59 ± 5.56

66.01 ± 19.74

35.98 ± 29.31

Delivery

7.21 ± 1.65

12.49 ± 1.19

7.13 ± 1.73

100

91.35 ± 10.39

63.62 ± 24.20

37.84 ± 31.09

  1. * Means that there is significant difference (p < 0.05) between planned dose and re-calculated dose on selected organs