Cervical Spine 1.5T
Siemens Healthineers – MR Gadopiclenol (VUEWAY®) Protocols
Instructions And Patient Preparation
- Instructions
- • Instruct patients to try not to swallow, lick their lips, or move their chin
• If using H >> F phase direction for Sagittal sequences, anterior Sat band is not needed
• Typically done without contrast - Position
- Supine, head first
- Coil
- 20 Channel Head/Neck coil or better
- Landmark
- Chin
Contrast Agent Parameters
| Contrast Agent | Dose | Injection Rate | |||||
|---|---|---|---|---|---|---|---|
| Gadopiclenol (VUEWAY) | 0.05 mmol/kg | Hand Bolus | |||||
| Saline Flush | 10 mL | Hand Bolus | |||||
| Comments | • Sagittal STIR good for disc contours • In place of MEDIC for cases of trauma or infection use Interpolation • Fat Sat is an option for post contrast • Report agent administered and dose |
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Imaging Parameters
| Scan Description | SAGITTAL T2 |
SAGITTAL T1 |
SAGITTAL STIR |
AXIAL MEDIC |
AXIAL T2 |
Post SAGITTAL T1 DIXON |
Post AXIAL T1 DIXON |
|---|---|---|---|---|---|---|---|
| View Image | View Image | View Image | View Image | View Image | View Image | View Image | |
| Primary Sequence | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Pulse Sequence | tse | tir | ir | med | tse | tse | tse |
| Mode | 2D | 2D | 2D | 2D | 2D | 2D | 2D |
| I-Pat | 2 | 3 | 3 | 2 | 2 | 4 | 3 |
Scan Parameters
| Scan Description | SAGITTAL T2 |
Pre SAGITTAL T1 |
SAGITTAL STIR |
AXIAL MEDIC |
AXIAL T2 |
Post SAGITTAL T1 Fat Sat |
Post AXIAL T1 Fat Sat |
|---|---|---|---|---|---|---|---|
| TE | 90-100 | 15-20 | 40 | 20-30 | 90-100 | 15-20 | 15-20 |
| TR | 3000 | 1500 | 3000 | 1200-1400 | 3000 | 1500 | 400-800 |
| TI | ― | 692 | 160 | ― | ― | 692 | ― |
| Flip Angle | 120-180 | 120-150 | 120-150 | 30 | 120-150 | 120-150 | 120-150 |
| Turbo Factor | 20 | 6 | 12 | ― | ― | 6 | 3 |
| Bandwidth | 230-260 | 230-260 | 180-200 | 265-300 | 180-200 | 230-260 | 230-260 |
| Gradient Speed | Fast | Fast | Normal | Fast | Fast | Fast | Fast |
| RF Mode | Fast | Fast | Fast | Fast | Fast | Fast | Fast |
Acquisition Parameters
| Scan Description | SAGITTAL T2 |
Pre SAGITTAL T1 |
SAGITTAL STIR |
AXIAL MEDIC |
AXIAL T2 |
Post SAGITTAL T1 Fat Sat |
Post AXIAL T1 Fat Sat |
|---|---|---|---|---|---|---|---|
| MATRIX Freq | 224 | 208 | 192 | 256 | 256 | 192 | 256 |
| MATRIX Phase | 71% | 61% | 60% | 75% | 75% | 65% | 70% |
| Averages | 2 | 2 | 2 | 1 | 2 | 2 | 2 |
| Concatenations | 1 | 3 | 2 | 1 | 2 | 2 | 2 |
| Rec FOV | 140% | 140% | 140% | 75% | 100% | 140% | 100% |
| Phase DIR | H >> F | H >> F | H >> F | P >> A | P >> A | H >> F | P >> A |
| Phase Over Sample | 120% | 120% | 100% | 70% | 75% | 120% | 100% |
| Partial Fourier | Off | ― | Off | Off | Off | Off | Off |
Scanning Range
| Scan Description | SAGITTAL T2 |
Pre SAGITTAL T1 |
SAGITTAL STIR |
AXIAL MEDIC |
AXIAL T2 |
Post SAGITTAL T1 Fat Sat |
Post AXIAL T1 Fat Sat |
|---|---|---|---|---|---|---|---|
| FOV | 140 | 140 | 140 | 170 | 180 | 140 | 180 |
| Filter | Prescan Normal | Prescan Normal | Prescan Normal | Prescan Normal | Prescan Normal | Prescan Normal | Prescan Normal |
| Slice Thickness | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| Spacing % | 17% | 17% | 17% | 15% | 15% | 17% | 15% |
| Number of Slices | 12-17 | 12-17 | 15-17 | 30 | 30 | 30 | 30 |
| Acquisition Time | 1:05 min | 1:20 min | 2:20 min | 2:41 min | 1:40 min | 2:05 min | 1:31 min |