Table 1 3-T and 7-T protocols and radiologic assessment of coup/contrecoup injuries and microlesions
From: 7-T MRI for brain virtual autopsy: a proof of concept in comparison to 3-T MRI and CT
Sequence | 3 T | 7 T | 3 T | 7 T | 3 T | 7 T |
|---|---|---|---|---|---|---|
T1-w. TFE | T1-w. MP2RAGE | T2-w. TSE SPAIR | T2-w. SPACE | VenBOLD | SWI | |
Repetition time (ms) | 9.4 | 4,500 | 1,500 | 4,000 | 18 | 21 |
Echo time (ms) | 4.6 | 2 | 230 | 118 | 26 | 14 |
Voxel size* | 1.00 × 1.00 × 2.00 | 0.65 × 0.65 × 0.63 | 0.80 × 0.80 × 1.60 | 0.71 × 0.71 × 0.67 | 0.80 × 0.80 × 1.60 | 0.12 × 0.12 × 1.50 |
Slice orientation | Sagittal | Sagittal | Transversal | Sagittal | Transversal | Transversal |
Scan time (min:s) | 08:50 | 10:45 | 06:00 | 05:39 | 06:21 | 10:40 |
Coup injury | 1− | 2+ | 1+ | 3++ | 1+ | 3++ |
Contercoup injury | 1− | 2+ | 1+ | 3++ | 1+ | 3++ |
Microinfarct | 1− | 2− | 1+ | 2++ | 1- | 3- |
Microhaemorrhage | 1− | 2− | 1+ | 2++ | 1+ | 3+ |