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Table 1 Volumetric properties of the GTVs for the 10 head and neck cancer subjects

From: Deformable versus rigid registration of PET/CT images for radiation treatment planning of head and neck and lung cancer patients: a retrospective dosimetric comparison

 

Primary gross tumor volume

Secondary gross tumor volume

Subject

VRIR

VDIR

VOverlap

DSC

VRIR

VDIR

VOverlap

DSC

(cm3)

(cm3)

(cm3)

(cm3)

(cm3)

(cm3)

1

20.1

15.2

14.3

0.81

12.1

8.1

8.0

0.79

2

52.3

48.0

41.3

0.82

1.4

1.4

1.2

0.86

3

25.3

23.3

22.0

0.91

9.9

8.3

8.6

0.90

4

7.8

8.7

7.4

0.90

3.7

3.8

3.3

0.88

5

18.6

18.9

14.2

0.76

20.4

23.4

16.8

0.77

6

102.9

91.5

87.3

0.90

6.3

5.5

5.4

0.92

7

0.1

0.1

0.0

0.00

na

na

na

na

8

4.4

5.6

3.9

0.78

na

na

na

na

9

26.7

19.1

18.2

0.79

1.1

1.0

0.8

0.76

10

10.4

10.7

9.0

0.85

7.2

7.1

5.8

0.81

  1. The volumes corresponding to the GTVs drawn using the rigid and deformable image registration are labeled as VRIR and VDIR, respectively. The acronym “na” means the GTV was not available.