Skip to main content

Table 3 Dose-comparisons into organs at risk according to radiation therapy technique

From: Contribution of three-dimensional conformal intensity-modulated radiation therapy for women affected by bulky stage II supradiaphragmatic Hodgkin disease

Factors / Dose (Gy)

3D-CRT

IMRT

( p)

Median

Mean

Median

Mean

 

Breasts

Dmax

38.6

38.3

35.3

33.6

0.001

Dmin

0.001

0.02

0.3

0.8

0.001

Dmean

2.7

4.9

4.7

5.7

0.05

V5 Gy

9.9

17.2

27

32.7

0.001

V20 Gy

5.7

11.6

3.9

9.1

0.002

V25 Gy

5.05

10.4

1.2

4.6

0.001

V30 Gy

4.05

8.9

0.2

2.6

0.001

Right breast

Dmax

37.7

34.6

32.7

30.3

0.01

Dmin

0.001

0.02

0.3

0.8

0.001

Dmean

2.1

3.8

4.4

5.2

0.007

V5 Gy

7.8

13.1

25.5

29.7

0.001

V20 Gy

4.3

8.5

2.6

7.8

NS

V25 Gy

3.5

7.5

1.04

4.3

0.004

V30 Gy

2.7

6.4

0.2

2.3

0.002

Left breast

Dmax

38.3

35.5

34

31.8

0.02

Dmin

0.001

0.08

0.3

1.5

0.001

Dmean

3.2

6

4.6

6.2

NS

V5 Gy

11.1

21.3

31.8

35.8

0.007

V20 Gy

6.4

14.4

3.6

10.1

0.002

V25 Gy

5.5

13

1.5

4.9

0.002

V30 Gy

4.4

11.1

0.4

2.8

0.002

Lung-PTV

Dmax

38.6

38.4

36.8

36.9

0.003

Dmin

0.1

0.2

0.3

0.7

0.002

Dmean

12

12.4

9.2

9.7

0.003

V5 Gy

47.1

46.3

56.4

57.7

0.001

V20 Gy

28.2

30.3

12.2

15.5

0.001

V30 Gy

19.4

22.1

4.9

5.3

0.001

Heart

Dmax

37.3

37.1

38.1

38

0.01

Dmin

0.3

0.6

0.7

1.3

0.001

Dmean

13

13.9

11.2

11.5

0.01

V20 Gy

32.3

35.7

20.7

25

0.002

V30 Gy

23.1

29

11.1

14.4

0.001

Oesophagus

Dmax

37.3

37.3

36.9

36.9

NS

Dmin

0.4

3.0

0.8

1.7

0.02

Dmean

23.3

24.6

20.8

21.5

0.002

V35 Gy

48.4

41

26.7

28.5

0.02

Thyroid

Dmax

37.2

37.2

36.9

37.1

NS

Dmin

3.4

13.9

12.6

15.1

NS

Dmean

34.6

30.1

31.6

29.4

NS

V30 Gy

87.7

75.1

72.7

64.1

0.003

Integral dose

Mean (Gy.L)

-

179.0

-

176.8

NS