GE Advance PET |
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Scanner Type |
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| 2D/3D | BGO Crystals | ||
Energy Resolution |
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| 300-650 keV energy window | 23% energy resolution | ||
Timing Resolution |
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| 12.5 ns coincidence time window | 2.5 ns coincidence time resolution | ||
Scanner Specifications |
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| 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) |
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Spatial Resolution1 |
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| @center: 4.0 mm axial 3.8 mm transverse |
@20 cm: 6.6 mm axial 5.0 mm tangential 7.3 mm radial |
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Scatter Fraction2 |
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| 10% (2D) | 49% (3D) | ||
NECR2 |
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| Delayed events: 125 kcps @ 58 kBq/cc (2D) 19.2 kcps @ 7.15 kBq/cc (3D) |
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Sensitivity2 |
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| 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) |
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