TABLE 2
Characteristics of Two High-end Dedicated PET Scanners
Model
GE Advance (
4
)
CTIECAT EXACT HR + (
5
)
Block size
6 × 6
8 × 8
Crystal size
4.0 × 8.1 × 30 mm
3
4.4 × 4.1 × 30 mm
3
No. of rings
18
32
Detectors/ring
672
576
Axial FOV
15.2 cm
15.5 cm
ring diameter
92.7 cm
82.7 cm