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Table 2 Treatment volumes

From: Evaluating changes in radiation treatment volumes from post-operative to same-day planning MRI in High-grade gliomas

Patient

MRI Span (Days)

GTV1 Δ

%

GTV2 Δ

%

CTV1 Δ

%

CTV2 Δ

%

1

8

-40.7

42

6.9

37

-139.4

26

37.9

16

2

10

-0.3

1

5.2

35

-13

5

18.2

8

3

7

-16.4

35

3

26

-77

20

16

8

4

15

-3.9

2

6.6

67

-49.9

5

47.6

26

5

19

-19.7

14

13.9

25

-49.4

7

33.9

7

6

26

-25.9

37

-17

37

-125.1

26

-89.8

24

7

17

-10.1

7

-5

4

-93.1

12

-35.8

6

8

13

-2.4

36

-0.3

14

-27.5

17

-3.4

3

9

13

-12.4

27

3.3

44

-83.1

20

15.1

22

10

27

-21.8

33

1.9

31

-154.6

23

18

12

11

17

-52.7

34

22

39

-195.9

24

198.8

83

12

11

-12.4

18

2.2

7

-69.4

14

1.4

0

13

15

-14.3

16

22.6

37

-16.9

3

136.9

31

14

16

36.9

60

16.2

107

184.9

24

85.8

37

15

12

-35.8

31

-10.8

27

-95.8

18

-43

12

16

32

-72

63

-0.2

1

-282.8

42

45.2

16

17

14

-130.9

54

14.6

20

-347.7

34

64.4

12

18

28

-35.5

44

1.8

6

-160.3

31

-14.6

5

19

16

11.6

100

-13.4

54

36.7

13

-5.1

3

20

19

-140.1

56

6.3

19

-300.6

28

31

9

21

31

-17

13

-10.6

9

-101.1

14

-82.2

12

22

22

-2

3

-2

21

-10.1

2

-10.5

6

23

14

-5.2

3

73.3

121

-27

3

249.4

51

24

16

-46.3

26

19.4

36

-164.6

19

65.4

16

Average

17

-31

22

6.8

22

-113.9

17

32.5

12

  1. Abbreviations: Post-op Post-operative, MRI Magnetic resonance imaging, GTV1 Gross tumor volume treated to 46 Gy, CTV1 Clinical tumor volume treated to 46 Gy, GTV2 Gross tumor volume treated to 60 Gy, CTV2 Clinical tumor volume treated to 60 Gy, (-) values indicate volume was smaller on same-day MRI, (+) values indicate volume was larger on delayed MRI.