MR Trauma Brain WO Neuro Protocol
Last updated:3/21/2019
Charge as: Brain WO. No additional charge for 3D Recon.
Scanner preference: Any scanner
Coil: Head
| Plane | Weighting | Mode | Slice | Gap | FAT SAT | FOV | Notes |
|---|---|---|---|---|---|---|---|
| SAG | 3DT1 | SE | 1mm | 0.5mm | None | 23cm | Scalp to Scalp |
| AXIAL | DWI 2mm Voxel | SE EPI | 3mm | 0.3mm | SPIR | 23cm | Angle to Corpus- Skull Base to Vertex |
| AXIAL | VEN BOLD | 3D FFE | 2mm | 0mm | None | 23cm | 124 Slices MAX- Skull Base to Vertex. Recon: 12mm Axial With -6mm Overlap MinIp |
| AXIAL | SW 36/30 | 3D FFE | 2mm | 0mm | None | 23cm | 124 Slices MAX- Skull Base to Vertex. Recon: -12mm Axial With -6mm Overlap MinIp |
| AXIAL | T2 FLAIR | TSE | 4mm | 0.8mm | Yes | 23cm | Angle to Corpus- Skull Base to Vertex |
| AXIAL | T2 | FSE | 4mm | 0.8mm | None | 23cm | Angle to Corpus- Skull Base to Vertex |
| AXIAL | T2* GRE | GRE | 4mm | 1mm | None | 23cm | Angle to Corpus- Skull Base to Vertex |
| AXIAL | DTI (30 directions) | TSE | 2mm | 0mm | Yes | 23cm | Angle to Corpus- Skull Base to Vertex |
| AXIAL | Resting state fMRI | 3mm | 0.5mm | Yes | 22cm | Optional For Now | |
| AXIAL | PASL or PCASL | 4mm | 0-1mm | Yes | 22cm | Optional For Now |
| Sequence Parameters | DTI Run ONCE | 3D SWI | 3D T1W | T2W Flair | T2W FSE | BOLD vs-fMRI optional |
|---|---|---|---|---|---|---|
| Orient | Axial | Axial | Sagittal | Axial | Axial | Axial |
| TR (ms) | ?5500 | 30 | >1900 | >9000 | >3500 | 2400 |
| TE (ms) | Min TE | 20 | 2-4 | >80 | >85 | 30 |
| TI (ms) | 1000-1200 | >2500 | ||||
| FA (degrees) | 90 | 15 | 7 - 10 | 150 | 90 | 75 |
| Freq FOV mm (Phase FOV) | 256 (100%) | 220 (75%) | 256 (100%) | 256 (75%) | 256 (75%) | 220x220 |
| Matrix Size | 128x128 | 256x182 | 256x256 | 256x192 | 256x192 | 64x64 |
| # Slices/ Thickness (mm) | 75/2 | 80/1.8 | 176/1 | 32/4 | 32/4 | Max # (>30)/3 |
| Gap (%) | 0 | 20 | 0.5 | 0- 20% | 0-20% | 0.17 |
| Voxel size (mm) | 2x2x2 | 0.9x0.9x1.8 | 1x1x1 | 1x1x4 | 1x1x4 | 3.4x3.4x3 |
| NEX | 1 | 1 | 1 | 2 | 1-2 | 1 |
| Phase ENC. Dir | A to P | R to L | A to P | R to L | R to L | A to P |
| Fat suppress | yes | no | no | yes if possible | no | yes |
| Flow Comp | yes | no | no | no | no | |
| b-values (sec/ mm2) (Directions) | 0/1000 (5/30)- MAY do medium direction | |||||
| Measurements | 150 | |||||
| ?Time | 15:00 | 5:00 | 4:00 | 3:00 | 2:00 | 6:00 |
| Optional Sequences | PCASL* (Background Suppression) | PASL (Siemens if PCASL not available) |
|---|---|---|
| Orient | Axial | Axial |
| TR (ms) | ~4000 | 4000 |
| TE (ms) | Min TE | 13 ms |
| TI (ms) | 1525 (Philips) | |
| FA (degrees) | 90 (EPI)/ 155 (Spiral) | 90 |
| Freq FOV mm (Phase FOV) | 220x220 | 220 |
| Matrix Size | 64x64 (EPI)/ 512 pts, 8 arms (Spiral) | 64x64 |
| # Slices/ Thickness (mm) | Max # (>20)/4 | 24/4 |
| Gap (%) | 0-20% | 0.2 |
| Voxel size (mm) | 3.4x3.4x4 | 3x4x3x4x4 |
| NEX | 1(EPI)/ 3 (Spiral) | 1 |
| Phase ENC. Dir | A to P | A to P |
| Fat suppress | yes | yes |
| Flow Comp | yes | |
| Measurements | 60 (EPI) | 105 |
| Post-labeling Delay | 1500-2000 ms | |
| Inversion Time 1 | 600 ms | |
| Inversion Time 2 | 1800 ms | |
| ?Time | 4:50 | 7:02 |
