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Table 1 Tumor characteristics and CT- and PET/CT-based GTVs (gross tumor volumes)

From: Impact of 18F-FDG PET/CT on target volume delineation in recurrent or residual gynaecologic carcinoma

Pat. No.

Primary Malignancy

FIGO stage

Treatment indication

GTVCT1

GTVCT2

GTVPET/CT1

GTVPET/CT2

GTVSBR

    

Mean (cm3) (SD)

Mean (cm3) (SD)

Mean (cm3) (SD)

Mean (cm3) (SD)

(cm3)

1

Cervix

IIIA

Primary

36.06

36.04

43.28

43.26

25.4

    

(4.27)

(6.96)

(13.20)

(10.40)

 

2

Cervix

IIB

Primary

60.14

54.88

34.11

27.67

18.3

    

(6.60)

(7.03)

(5.45)

(6.80)

 

3

Cervix

IIIB

Primary

66.43

95.06

41.69

48.84

22.0

    

(14.16)

(10.46)

(2.07)

(1.94)

 

4

Uterus

IC

Primary

2.73

4.32

1.91

1.38

1.2

    

(0.57)

(2.04)

(0.43)

(0.73)

 

5

Vagina

IIIB

Primary

21.48

22.72

12.19

12.33

4.6

    

(2.25)

(5.03)

(2.02)

(1.91)

 

6

Cervix

IB

Local Recurrence

95.99

96.05

86.74

70.11

67.8

    

(9.81)

(19.11)

(3.03)

(12.86)

 

7

Vulva

IIIB

Local Recurrence

16.99

15.10

11.23

7.59

5.4

    

(5.03)

(5.99)

(2.67)

(0.54)

 

8

Uterus

IIIA

Local recurrence

6.39

4.59

3.19

2.24

1.3

    

(1.42)

(1.54)

(0.99)

(0.42)

 

9

Uterus

IVA

Local Recurrence

26.41

36.45

18.21

15.44

12.7

    

(2.54)

(6.16)

(5.37)

(5.93)

 

10

Uterus

IIIA

Local Recurrence

103.84

106.11

78.06

98.90

54.6

    

(1.72)

(12.20)

(17.14)

(2.99)

 
  1. SBR = Signal-to-background ratio.