Table 1.
EPI sequence |
Resolution (mm3) |
FOV (cm3) |
Matrix | Readout segments |
ES (ms) |
Rslice / RPE | PE PF | TR / TE (s / ms) |
# b=0/ Diff. dir. | Scan time (min) |
---|---|---|---|---|---|---|---|---|---|---|
3T protocols | ||||||||||
rs (DTI) | 2 iso | 22×22×12.6 | 110×110×58 | 5 | 0.32 | 2 / 2 | - | 4.1 / 73 | 12/60 | 31 |
ss | 2 iso | 19×19×12.6 | 96×96×58 | - | 0.7 | - / 2 | 6/8 | 8.4 / 87 | 12/60 | 32 (3 av) |
rs | 1.5 iso | 22×22×9.3 | 144×144×62 | 7 | 0.32 | 2 / 2 | - | 4.8 / 79 | 12/60 | 50 |
ss | 1.5 iso | 19×19×9.3 | 128×128×62 | - | 0.95 | - / 2 | 6/8 | 13.9 / 88 | 12/60 | 54 (3 av) |
rs (ADC) | 1.7×1.7×5 | 22×22×13 | 128×128×26 | 3 | 0.40 | 2 / 2 | - | 2.4 / 70 | 1/3 | 0:48 |
rs | 1.7×1.7×5 | 22×22×13 | 128×128×26 | 3 | 0.40 | - / 2 | - | 4.8 / 70 | 1/3 | 1:26 |
rs (patient 1) | 1.5 iso | 22×22×11.7 | 146×146×78 | 5 | 0.36 | 2 / 2 | - | 9.6 / 60 | 1/3 | 4:40 |
ss | 1.8×1.8×2b | 24×24×13b | 130×130×50 | - | 1.05 | - / 2 | 6/8 | 9 / 98 | 1/3 | 2:50 (4 av) |
rs (patient 2) | 1.5 iso | 24×24×11.7 | 160×160×78 | 5 | 0.36 | 2 / 2 | - | 6.9 / 72 | 1/3 | 3:20 |
ss | 1.5 iso | 24×24×11.7 | 160×160×78 | - | 1.04 | - / 2 | 6/8 | 13.8 / 102 | 1/3 | 3:29 (3 av) |
rs (TrW) | 1×1×5 | 22×22×13 | 220×220×26 | 11 | 0.32 | 2 / 2 | - | 2.3 / 75 | 1/3 | 2:14 |
ss | 1×1×5 | 22×22×13 | 220×220×26 | - | 1.10 | - / 2 | 6/8 | 7.8 / 80 | 1/3 | 0:55 |
rs (TrW) | 1.1×1.1×4 | 22×22×12 | 192×192×30 | 9 | 0.32 | 2 / 2 | - | 2.7 / 70 | 1/3 | 2:20 |
rs | 0.9×0.9×4 | 22×22×12 | 256×256×30 | 11 | 0.32 | 2 / 2 | - | 3 / 76 | 1/3 | 3:05 |
7T protocols | ||||||||||
rs (DTI) | 1.2 iso | 19.2×19.2×11.88 | 160×160×99 | 6 (6/7 PF) | 0.32 | 3 / 2 | - | 8 / 63 | 4/32 | 35 |
ss | 1.2 iso | 19.2×19.2×11.88 | 160×160×99 | - | 0.82 | - / 2 | 6/8 | 10.8 / 63 | 12/128 | 27 |
All protocols acquired with b = 1000 s/mm2.
A 0.6 mm gap between slices was used.