. 2019 Jun 18;195(9):780–791. doi: 10.1007/s00066-019-01480-3

Table 2.

Results of the volumetric assessments of primary tumor volumes (gross tumor volume, GTV) obtained from computed tomography (CT), magnetic resonance (MRI) and 18-fluorine-labeled fluorodeoxyglucose positron emission tomography (18F-FDG-PET) images in each patient (1–10)

Pts	GTV CT cm³	GTV MRI cm³ (%)	GTV PET _vis cm³ (%)	GTV PET_20% cm³ (%)	GTV PET_30% cm³ (%)	GTV PET_40% cm³ (%)	GTV PET_50% cm³ (%)
1	26.4	26.84 (101.7)	18.56 (70.3)	17.31 (65.6)	11.79 (44.6)	8.63 (32.7)	6.35 (24)
2	32.12	60 (186.8)	59.32 (184.7)	103.53 (322.3)	66.9 (208.3)	48.45 (150.8)	*36.72* (114.3)
3	12.16	11.4 (93.7)	12.32 (101.3)	27.74 (228.1)	9.33 (76.7)	4.65 (38.2)	2.84 (23.3)
4	82.23	93.59 (113.8)	100.6 (122.3)	*94.07* (114.4)	60.42 (73.5)	47.09 (57.3)	35.59 (43.3)
5	20.23	23.88 (118)	15.02 (74.2)	14.49 (71.6)	9.26 (45.77)	6.59 (32.6)	4.63 (22.9)
6	5.66	6.53 (115.4)	5.91 (104.4)	14.08 (248.8)	5.18 (91.5)	3.58 (63.2)	2.67 (47.2)
7	4.08	4.54 (111.3)	1.73 (42.4)	22.95 (562.5)	9.13 (223.8)	*2.51* (61.5)	1.40 (34.3)
8	19.51	13.19 (67.6)	11.82 (60.6)	33.57 (172.1)	*13.16* (67.4)	5,59 (28.6)	2.68 (13.7)
9	4.35	6.23 (143.2)	3.26 (74.9)	7.77 (178.6)	*3.48* (80)	2.24 (51.5)	1.42 (32.6)
10	4.78	6.54 (136.8)	3.39 (70.9)	7.17 (150)	2.59 (54.2)	1.48 (31)	0.95 (19.9)

Pts

GTV CT
cm³

GTV MRI
cm³ (%)

GTV PET _vis
cm³ (%)

GTV PET_20%
cm³ (%)

GTV PET_30%
cm³ (%)

GTV PET_40%
cm³ (%)

GTV PET_50%
cm³ (%)

26.4

26.84 (101.7)

18.56

(70.3)

17.31

(65.6)

11.79

(44.6)

8.63

(32.7)

6.35

(24)

32.12

(186.8)

59.32

(184.7)

103.53 (322.3)

66.9

(208.3)

48.45

(150.8)

36.72

(114.3)

12.16

11.4

(93.7)

12.32

(101.3)

27.74

(228.1)

9.33

(76.7)

4.65

(38.2)

2.84

(23.3)

82.23

93.59

(113.8)

100.6

(122.3)

94.07

(114.4)

60.42

(73.5)

47.09

(57.3)

35.59

(43.3)

20.23

23.88

(118)

15.02

(74.2)

14.49

(71.6)

9.26

(45.77)

6.59

(32.6)

4.63

(22.9)

5.66

6.53

(115.4)

5.91

(104.4)

14.08

(248.8)

5.18

(91.5)

3.58

(63.2)

2.67

(47.2)

4.08

4.54

(111.3)

1.73

(42.4)

22.95

(562.5)

9.13

(223.8)

2.51

(61.5)

1.40

(34.3)

19.51

13.19

(67.6)

11.82

(60.6)

33.57

(172.1)

13.16

(67.4)

5,59

(28.6)

2.68

(13.7)

4.35

6.23

(143.2)

3.26

(74.9)

7.77

(178.6)

3.48

(80)

2.24

(51.5)

1.42

(32.6)

4.78

6.54

(136.8)

3.39

(70.9)

7.17

(150)

2.59

(54.2)

1.48

(31)

0.95

(19.9)

Italised values of PET-based volumes the most closely related to CT-based volumes, bold +bold italic values of PET-based volumes obtained from fixed threshold method, which are the most closely related to CT-based volumes, pts patients

% percentage of CT-based volume, PET_vis visual method, PET_20%, PET_30%, PET_40%, PET_50% volumes covered by 20%, 30%, 40%, 50% threshold of SUV_max, respectively