From: Impact of attenuation correction on clinical [18F]FDG brain PET in combined PET/MRI
Reader | PETPET/CT | PETCTderived | PETDixon | PETPseudoCT | PETBoneDixon | |
---|---|---|---|---|---|---|
1 | Hypometabolic areas (visual) | 1.1 ± 1.7 | 1.3 ± 2.1 | 1.6 ± 2.0 | 1.3 ± 1.7 | 1.7 ± 1.7 |
Hypometabolic areas (NEUROSTAT) | 1.5 ± 2.1 | 1.8 ± 2.0 | 2.4 ± 2.1 | 2.3 ± 2.3 | 1.9 ± 2.0 | |
Hypometabolic areas (BRASS) | 1.1 ± 1.6 | 1.9 ± 2.6 | 2.2 ± 2.3 | 2.1 ± 2.1 | 2.1 ± 2.1 | |
Correctly classified brain regions compared to PETPET/CT (visual) | 10.8 ± 1.7 | 10.6 ± 1.5 | 10.5 ± 1.9 | 9.1 ± 2.3 | ||
Correctly classified brain regions compared to PETPET/CT (NEUROSTAT) | 10.9 ± 1.7 | 10.6 ± 1.8 | 10.7 ± 2 | 9.6 ± 2.5 | ||
Correctly classified brain regions compared to PETPET/CT (BRASS) | 10.9 ± 1.7 | 10.5 ± 1.7 | 10.7 ± 1.7 | 9.6 ± 1.7 | ||
Correct imaging diagnosis compared to PETPET/CT | 11/13 | 11/13 | 11/13 | 7/7 | ||
2 | Hypometabolic areas (visual) | 1.4 ± 2.0 | 1.4 ± 1.9 | 1.3 ± 1.7 | 1.5 ± 2.2 | 1.7 ± 2.1 |
Hypometabolic areas (NEUROSTAT) | 2.8 ± 3.1 | 2.1 ± 2.4 | 2.5 ± 2.8 | 1.8 ± 2.3 | 3.0 ± 2.7 | |
Hypometabolic areas (BRASS) | 2.2 ± 2.9 | 1.9 ± 2.4 | 2.2 ± 2.8 | 1.1 ± 2.0 | 1.3 ± 2.1 | |
Correctly classified brain regions compared to PETPET/CT (visual) | 11.5 ± 0.7 | 11.6 ± 0.9 | 10.8 ± 1.8 | 11.1 ± 1.1 | ||
Correctly classified brain regions compared to PETPET/CT (NEUROSTAT) | 11.2 ± 1.1 | 11.2 ± 1.4 | 10.4 ± 2.4 | 10.7 ± 1.7 | ||
Correctly classified brain regions compared to PETPET/CT (BRASS) | 11.0 ± 1.2 | 11.4 ± 0.7* | 10.4 ± 1.5* | 10.1 ± 1.5 | ||
Correct imaging diagnosis compared to PETPET/CT | 13/13 | 12/13 | 12/13 | 6/7 | ||
3 | Hypometabolic areas (visual) | 1.8 ± 2.5 | 2.1 ± 1.8 | 2.6 ± 1.9 | 2.5 ± 1.9 | 2.7 ± 1.9 |
Hypometabolic areas (NEUROSTAT) | 2.2 ± 2.5 | 1.9 ± 1.6 | 2.5 ± 1.9 | 2.5 ± 1.8 | 2.1 ± 1.6 | |
Hypometabolic areas (BRASS) | 2.2 ± 2.5 | 1.9 ± 1.7 | 2.4 ± 1.7 | 2.6 ± 1.9 | 2.1 ± 1.6 | |
Correctly classified brain regions compared to PETPET/CT (visual) | 10.8 ± 1.7 | 10.6 ± 1.5 | 10.5 ± 1.9 | 9.1 ± 2.3 | ||
Correctly classified brain regions compared to PETPET/CT (NEUROSTAT) | 10.7 ± 1.6 | 10.8 ± 1.3 | 10.5 ± 1.9 | 9.1 ± 2.3 | ||
Correctly classified brain regions compared to PETPET/CT (BRASS) | 10.9 ± 1.7 | 10.6 ± 2.8 | 10.7 ± 2.0 | 9.6 ± 2.5 | ||
Correct imaging diagnosis compared to PETPET/CT | 11/13 | 11/13 | 11/13 | 7/7 |