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Table 2 Dosimetric results for five treatment plans

From: Target splitting non-coplanar RapidArc radiation therapy for a diffuse sebaceous carcinoma of the scalp: a novel delivery technique

Structure

Dosimetry

3D-CRT

IMRT

sRapidArc

scRapidArc

snRapidArc

PTV-G

V95% (%)

90.73

99.71

99.31

99.71

99.92

V110% (%)

14.18

12.86

16.74

0.07

0.97

D2% (Gy)

83.96

79.60

78.85

75.92

76.69

CI

0.54

0.68

0.73

0.83

0.83

HI

0.49

0.15

0.15

0.11

0.12

PTV1

V95% (%)

86.40

100

99.99

99.50

99.72

V110% (%)

76.76

93.51

93.83

89.77

90.54

D2% (Gy)

82.39

79.23

78.73

75.80

76.53

CI

0.43

0.45

0.47

0.54

0.54

HI

1.13

0.22

0.21

0.21

0.21

PTV2

V95%(%)

85.45

99.54

99.70

99.80

99.50

V110% (%)

50.94

78.31

76.62

66.22

66.13

D2% (Gy)

78.81

77.76

77.83

75.12

75.75

CI

0.59

0.74

0.77

0.83

0.83

HI

1.42

0.47

0.47

0.45

0.47

Brain

D1% (Gy)

69.66

68.70

66.07

62.36

62.03

Dmean (Gy)

23.06

28.98

25.85

21.18

19.19

V5Gy(%)

91.03

100

100

100

100

V10Gy (%)

60.98

100

79.34

58.12

50.14

V15Gy (%)

53.51

86.76

65.14

46.09

38.63

V20Gy (%)

47.28

52.46

50.99

37.24

31.36

V30Gy (%)

30.62

29.31

29.18

23.89

20.14

V40Gy (%)

21.01

16.92

16.65

12.64

10.21

V50Gy (%)

11.85

7.64

6.98

4.23

3.49

V60Gy (%)

4.39

3.33

2.24

1.14

1.12

V70Gy (%)

0.91

0.04

0

0

0

Eye-L

D1% (Gy)

27.85

42.91

40.17

37.98

43.90

Eye-R

D1% (Gy)

29.96

49.11

37.13

36.23

36.43

Len-L

D1% (Gy)

10.52

16.02

10.84

10.23

10.28

Len-R

D1% (Gy)

10.85

16.53

10.85

10.09

10.41

Never-L

D1% (Gy)

7.10

36.82

30.16

31.06

35.38

Never-R

D1% (Gy)

8.90

45.64

32.61

34.50

29.25

Chiasm

D1% (Gy)

5.20

23.10

23.16

12.82

13.87