Table 1.
MRI studies at UHF | Field strength (T) | Coil | MRI | Weighting | Native resolution (mm3) | TR (ms) | TE (ms) | Flip angle | Total acquisition time | |
---|---|---|---|---|---|---|---|---|---|---|
In vivo | ||||||||||
Chupin et al., 2009 | 7.0 | 16‐ch head | TSE | T2 |
0.612 × 0.612 × 1.2 0.612 × 0.612 × 1.1 0.5 × 0.5 × 1.3 |
4000 | 77 | 60° | 8 min | |
Cho et al., 2010 | 7.0 | Multichannel | Spoiled FLASH | T2* | 0.35 × 0.35 × 0.35 | 50 | 25 | 10° | 14 min 27 s | |
Wisse et al., 2012, 2014a | 7.0 | 16‐channel | TSE | T2 | 0.7 × 0.7 × 0.7 | 3158 | 467 | 120° | 10–15 min | |
Wisse et al., 2016a, 2016b | 7.0 | 32‐channel | TSE | T2 | 0.7 × 0.7 × 0.7 | 3158 | 301 | 120° | 10 min 14 s | |
T1 | 1.0 × 1.0 × 1.0 | 4.8 | 2.2 | 1 min 57 s | ||||||
Boutet et al., 2014 | 7.0 | 8‐channel | GRE |
|
0.3 × 0.3 × 1.2 | 742 | 16.41‐33.22 | 65° | ||
Parekh et al., 2015 | 7.0 | 32‐channel | 3D FIESTA | 0.4 × 0.4 × 0.4 | 8.2 | 4.1 | 25° | 40 min | ||
Suthana et al., 2015 | 7.0 | 24‐channel | TSE | 0.35 × 0.35 × 2 | 4800 | 22 | ||||
Santyr et al., 2016 | 7.0 | 16‐channel | Multi echo | 0.5 × 0.5 × 1.5 | 40 | 4.57 | 13° | 12 min | ||
Kerchner et al., 2010 | 7.0 | 8‐channel | GRE |
|
0.195 × 0.195 × 2 | 250 | 15 | 20° | 9.6 min | |
Kerchner et al., 2012 | 7.0 | 16‐channel | FSE | T2 | 0.22 × 0.22 × 1.5 | 5000–6000 | 49 | 90° | 10 min | |
Retico et al., 2016 | 7.0 | 2ch‐Tx/32ch‐Rx head coil | GRE |
|
0.3 × 0.3 × 2 | 240 | 22 | |||
Ex vivo | ||||||||||
Yushkevich et al., 2009 | 9.4 | Volume | SE | 0.20 × 0.30 × 0.2 | 4000–5000 | 26 | 793‐933 min | |||
Coras et al., 2014 | 7.0 |
Shielded gradient/shim coil Transmit/receive Birdcage |
2D‐3D T2wi | T2 | ||||||
DTI‐EPI | ||||||||||
Apostolova et al., 2015 | 7.0 | 16‐ch head | 0.125 × 0.125 × 0.125 | 1000 | 80.3 | 180° | 60 h | |||
Iglesias et al., 2015 | 7.0 |
Solenoid; 4‐channel phased array; small bircage |
3D FLASH |
0.1 × 0.1 × 0.1 0.2 × 0.2 × 0.2 |
50 | 25 | 20° | |||
Wisse et al., 2016b | 9.4 | SE | T2 | 0.2 × 0.2 × 0.2 | 4000 | 21‐22 | 13:30‐15:52 h | |||
0.4 × 0.4 × 2.6 | 856.72–988.72 | 17.82 | 2:29‐2:31 min | |||||||
0.4 × 0.4 × 2.6 | 4000 | 35 | 35:14 min |
Where no information are reported it means that it was not available in the corresponding reference.