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Table 3 Doses to critical organs (N = 64)

From: French multicentre clinical evaluation of helical TomoTherapy® for anal cancer in a cohort of 64 consecutive patients

Dose Volume Histogram for organs at risk

Mean

SD

Minimum

Median

Maximum

Genitalia

     

 D98 %

15.69

8.39

2.80

13.52

40.23

 D2 %

40.53

12.67

18.63

37.94

66.82

 Mean D

24.76

9.82

10.48

22.05

58.10

 V40 (%)

14.92

23.06

0.05

5.58

98.27

 V40 (cm3)

4.78

5.46

0.04

3.55

23.22

 Volume (cm3)

78.40

65.62

10.98

58.54

271.2

Right Femoral Head

     

 D98 %

19.29

7.43

2.42

18.71

47.25

 D2 %

39.63

4.86

27.37

40.57

50.07

 Mean D

26.90

5.07

15.68

26.47

43.60

 Volume (cm3)

112.50

50.98

32.30

122.60

209.20

Left Femoral Head

     

 D98 %

20.31

6.30

4.12

20.50

40.28

 D2 %

39.96

5.02

26.93

40.70

49.36

 Mean D

27.38

5.28

15.14

27.44

43.41

 Volume (cm3)

108.00

53.02

16.80

114.40

207.40

Bladder

     

 D98 %

19.78

5.32

10.45

19.40

33.31

 D2 %

51.56

5.90

39.20

50.67

64.83

 Mean D

32.18

7.39

22.19

30.73

51.63

 V30 (%)

50.11

25.12

9.40

46.38

99.80

 V30 (cm3)

65.68

61.91

15.33

45.02

357.70

 Volume (cm3)

141.9

132.80

45.50

94.51

635.20

Intestine

     

 D98 %

5.45

5.13

0.50

3.50

19.20

 D2 %

45.27

9.17

3.74

45.65

57.47

 Mean D

20.64

6.63

1.54

21.69

31.03

 V30 (%)

23.50

10.45

4.06

22.17

42.86

 V30 (cm3)

219.30

123.00

41.90

187.50

580.60

 volume (cm3)

863.20

512.00

231.00

713.50

2295.00

  1. SD, standard deviation