Table 6 Spatial resolution (center axial FOV).
PET Name | Algorithm | Isotope | 10 mm | 100 mm | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
FWHM | FWTM | FWHM | FWTM | |||||||||||
radial | tang. | axial | radial | tang. | axial | radial | tang. | axial | radial | tang. | axial | |||
Celestion | SSRB + FBP | 18F | 4.5 | 4.7 | 4.4 | <5.0 | <5.1 | <5.1 | 4.6 | 4.8 | 4.6 | <5.4 | <5.2 | <5.1 |
Biograph mCT flow | FORE + FBP | 18F | 4.33 | 4.33 | 4.25 | 8.60 | 8.60 | 8.55 | 5.16 | 4.72 | 5.85 | 9.30 | 9.68 | 11.06 |
Biograph mCT | FORE + FBP | 18F | 5.0 | 5.0 | 6.4 | 10.8 | 10.8 | 11.8 | 4.9 | 4.9 | 5.7 | 9.3 | 9.3 | 10.7 |
Biograph mMR | FORE + FBP | 18F | 4.0 | 4.0 | 4.1 | 8.0 | 8.0 | 8.2 | 4.4 | 4.4 | 4.4 | 8.3 | 8.3 | 8.8 |
Vereos | 3DFRP | 18F | 3.99 | 3.99 | 3.99 | 8.29 | — | — | — | — | — | — | — | — |
Ingenuity TF | 3DFRP | 18F | 4.84 | 4.84 | 4.73 | 9.79 | 9.79 | 9.67 | 5.25 | 5.01 | 5.23 | 10.55 | 10.08 | 10.48 |
Ingenuity PET/MR | 3DFRP | 18F | 4.7 | 4.7 | 4.6 | 9.4 | 9.4 | 9.5 | 5.0 | 5.3 | 5.0 | 9.9 | 10.5 | 9.7 |
Geminity | 18F | 5.06 | 4.84 | 4.73 | 9.7 | 9.7 | 9.6 | 5.03 | 4.89 | 5.2 | 10.3 | 10.2 | 9.6 | |
SIGNA PET/MR | FBP | 18F | 4.4 | 4.10 | 5.34 | — | — | — | 5.78 | 4.44 | 6.74 | — | — | — |
Discovery MI | FBP | 18F | 4.02 | 3.97 | 4.39 | 8.52 | 8.19 | 10.12 | 5.28 | 4.23 | 5.63 | 9.95 | 8.83 | 11.80 |
Discovery IQ | OSEM (VPHD) | 18F | 4.2 | 4.7 | 4.8 | 9.5 | 9.8 | 11.2 | 5.6 | 5.1 | 4.8 | 11.4 | 10.2 | 11.1 |
Dedicated PETs | ||||||||||||||
CareMiBrain | SSRB + 2DFBP | 22Na | 1.72 | 1.66 | 1.71 | 3.13 | 3.02 | 3.11 | 2.65 | 2.20 | 1.74 | 5.90 | 6.90 | 4.80 |
CareMiBrain | SSRB + 2DFBP | 18F | 2.34 | 1.93 | 1.94 | 4.27 | 5.20 | 2.51 | 4.26 | 3.51 | 3.54 | 7.80 | 9.40 | 4.57 |
BrainPET-4layer MPPC | 2DFBP | 22Na | 1.8–2.1 | 1.8–2.1 | 1.8–2.1 | — | — | — | 1.8–2.1 | 1.8–2.1 | 1.8–2.1 | — | — | — |
NeuroPET | FBP | 22Na | 3.2 | 3.2 | 3.5 | 6.0 | 6.0 | 6.8 | 5.2 | 3.1 | 4.0 | 6.8 | 4.8 | 6.2 |
Human Brain Insert | OP-3DOSEM | 18F | 1.8 | 2.9 | 2.7 | 5.8 | 7.0 | 11.0 | 3.6 | 6.0 | 4.4 | 5.7 | 11.5 | 9.5 |
G-PET | 3D-FRP | 4.2 | 4.2 | 5.2 | 10.0 | 10.0 | 8.2 | 5.0 | 5.0 | 6.0 | 12.2 | 12.2 | 10.2 | |
ECAT HRRT | 2D FBP | 18F | 2.6 | 2.7 | 3.0 | — | — | — | 3.0 | 3.1 | 5.1 | — | — | — |
jPET-D4 | SSRB + 2DFBP | 18F | 3.1 | 3.1 | 3.1 | — | — | — | 3.7 | 3.5 | 3.1 | — | — | — |
GAPD-PET | 22Na | 3.0 | 3.0 | — | — | — | — | 4.6 | 3.3 | — | — | — | — | |
PET-HAT | SSRB + 2DFBP | 22Na | 4.0 | 4.0 | — | — | — | — | 4.2 | 4.2 | — | — | — | — |
MB-PET | MLEM | 22Na | 1.02 | 1.21 | 1.27 | — | — | — | 1.28 | 1.41 | 2.05 | — | — | — |
