General Electric Advance PET

GE Advance PET

Scanner Type

2D/3D BGO Crystals

Energy Resolution

300-650 keV energy window 23% energy resolution

Timing Resolution

12.5 ns coincidence time window 2.5 ns coincidence time resolution

Scanner Specifications

12,096 crystals 4x8x30 mm3 6x6 blocks 336 total blocks
18 rings 92.7 cm ring diameter 672 crystals per ring 60 cm patient port diameter
15.2 cm axial FOV 55 cm transaxial FOV 35 image planes 4.25 mm plane spacing

Performance Characteristics (1NEMA NU 2-1994, 2NEMA NU2-2001)

Spatial Resolution1

@center:
4.0 mm axial
3.8 mm transverse
@20 cm:
6.6 mm axial
5.0 mm tangential
7.3 mm radial

Scatter Fraction2

10% (2D) 49% (3D)

NECR2

Delayed events:
125 kcps @ 58 kBq/cc (2D)
19.2 kcps @ 7.15 kBq/cc (3D)

Sensitivity2

At center:
1.27 cps/KBq (2D)
6.41 cps/kBq (3D)
At 10 cm:
1.28 cps/kBq (2D)
6.56 cps/kBq (3D)