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Table 1 (abstract A29). Shows the image quality, spatial resolution and sensitivity results for both institutions

From: Abstracts of the Total Body PET conference 2018

Parameter

GE Healthcare

Siemens Healthcare

Discovery MI

PET/CT 3 Rings

Discovery MI

PET/CT 4 Rings

SIGNA

PET/MR

Biograph

mCT Flow

PET/CT

Contrast Recovery [%]

10 mm–Radioactive

44.2

53.7

48.7

28.5

13 mm–Radioactive

53.4

64.0

62.9

42.3

17 mm–Radioactive

66.4

73.1

68.1

58.4

22 mm–Radioactive

70.7

82.7

76.1

70.7

28 mm–Non-Radioactive

81.6

86.8

87.1

72.1

37 mm–Non-Radioactive

84.5

90.7

92.7

78.3

Lung Error [%]

7.8

4.4

1.6

5.6

Spatial Resolution FWHM*

    

Radial, 1 cm

4.65

4.10

4.46

4.33

Axial, 1 cm

4.47

4.48

5.35

4.25

Tangential, 1 cm

4.36

4.19

4.08

4.33

Radial, 10 cm

5.54

5.47

5.81

5.16

Axial, 10 cm

5.44

6.01

6.75

5.85

Tangential, 10 cm

4.75

4.49

4.44

4.72

Radial, 20 cm

7.41

7.53

8.42

5.55

Axial, 20 cm

5.78

6.10

7.30

7.80

Tangential, 20 cm

5.18

4.90

5.27

6.48

Sensitivity – Center of FOV

    

(cps/kBq)

7.26

13.7

22.9

9.60

  1. *Filtered backprojection