Skip to main content
EJNMMI Physics

Table 6 %BG variability for the contrast phantom scanned on the PET/MR and HRRT

From: Cross-validation study between the HRRT and the PET component of the SIGNA PET/MRI system with focus on neuroimaging

   

Spheres

   

9.9 mm

12.4 mm

15.4 mm

19.8 mm

24.8 mm

31.3 mm

PET/MR

Contrast phantom

wTOF

4.7

3.0

3.0

2.7

2.5

2.9

wTOF + filter

3.6

2.5

2.6

2.4

2.4

2.6

wTOF + PSF

3.6

2.8

2.4

2.5

2.7

2.7

wTOF + PSF + filter

3.0

2.4

2.2

2.3

2.5

2.5

HRRT

Contrast phantom

Native

5.0

4.6

3.5

5.5

3.9

2.7

Filter

3.8

4.1

3.1

3.2

2.6

1.6

PSF

5.5

5.7

4.5

5.1

4.0

2.5

PSF + filter

4.6

5.2

4.1

3.6

2.8

1.8

Back to article page