Sinuses 1.5T
Siemens Healthineers – MR Gadopiclenol (VUEWAY®) Protocols
Instructions And Patient Preparation
- Instructions
- Have patient close eyes and cover sinuses for these sequences
- Position
- Supine, head first
- Coil
- 20 channel Head/Neck coil or better
- Landmark
- Glabella
Contrast Agent Parameters
| Contrast Agent | Dose | Injection Rate | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Gadopiclenol (VUEWAY) | 0.05 mmol/kg | Hand Bolus | |||||||
| Saline Flush | 10 mL | Hand Bolus | |||||||
| Comments | • Report agent administered and dose • Use minimal dose for patients with a GFR <60 mL/sec |
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Imaging Parameters
| Scan Description | SAGITTAL T1 |
AXIAL T1 |
AXIAL STIR |
AXIAL DWI |
CORONAL T2 Fat Sat |
CORONAL T1 |
Post AXIAL VIBE DIXON |
Post CORONAL VIBE DIXON |
Post SAGITTAL VIBE DIXON |
|---|---|---|---|---|---|---|---|---|---|
| View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | |
| Sequence Name | qtse | tse | tir_rr | epse | tseR | tse | fl | fl | fl |
| Dimension | 2D | 2D | 2D | ― | 2D | 2D | 3D | 3D | 3D |
| Acceleration Mode | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA |
| Acceleration Factor PE | 3 | 3 | 3 | 2 | 3 | 3 | 2 | 2 | 2 |
| Acceleration Factor 3D | ― | ― | ― | Head > Brain | ― | ― | 1 | 1 | 1 |
Acquisition Parameters
| Scan Description | SAGITTAL T1 |
AXIAL T1 |
AXIAL STIR |
AXIAL DWI |
CORONAL T2 Fat Sat |
CORONAL T1 |
Post AXIAL VIBE DIXON |
Post CORONAL VIBE DIXON |
Post SAGITTAL VIBE DIXON |
|---|---|---|---|---|---|---|---|---|---|
| TR | 500.0 ms | 570.0 ms | 3000.0 ms | 4900.0 ms | 3300.0 ms | 604.0 ms | 7.3 ms | 7.3 ms | 7.3 ms |
| TE | 9.30 ms | 9.30 ms | 45.00 ms | 98.0 ms | 78.00 ms | 9.30 ms | TE 1: 2.39 ms TE 2: 4.77 ms |
TE 1: 2.39 ms TE 2: 4.77 ms |
TE 1: 2.39 ms TE 2: 4.77 ms |
| TI | ― | ― | 170 ms | ― | ― | ― | ― | ― | ― |
| Flip Angle | 160 deg | 160 deg | 160 deg | ― | 160 deg | 160 deg | 12 deg | 12 deg | 12 deg |
| Turbo Factor | 2 | 3 | 11 | ― | 14 | 3 | ― | ― | ― |
| Bandwidth | 217 Hz/Px | 222 Hz/Px | 200 Hz/Px | 1184 Hz/Px | 180 Hz/Px | 222 Hz/Px | 420 Hz/Px | 420 Hz/Px | 420 Hz/Px |
| Fat-Water Contrast | Standard | Standard | Standard | Fat Saturation | Fat Saturation | Standard | Dixon | Dixon | Dixon |
| Fat Saturation | ― | ― | ― | Weak | Strong | ― | ― | ― | ― |
| Gradient Mode | Fast | Fast | Normal | Fast | Fast | Fast | Fast | Fast | Fast |
| RF Pulse Type | Normal | Normal | Fast | Normal | Normal | Normal | Fast | Fast | Fast |
| Asymmetric Echo | ― | ― | ― | ― | ― | ― | Weak | Weak | Weak |
Scan Parameters
| Scan Description | SAGITTAL T1 |
AXIAL T1 |
AXIAL STIR |
AXIAL DWI |
CORONAL T2 Fat Sat |
CORONAL T1 |
Post AXIAL VIBE DIXON |
Post CORONAL VIBE DIXON |
Post SAGITTAL VIBE DIXON |
|---|---|---|---|---|---|---|---|---|---|
| Base Resolution | 320 | 352 | 288 | 128 | 320 | 352 | 224 | 224 | 224 |
| Phase Resolution | 70% | 75% | 75% | 100% | 90% | 75% | 100% | 100% | 100% |
| Slice Resolution | ― | ― | ― | ― | ― | ― | 81% | 81% | 81% |
| Averages | 1 | 2 | 2 | ― | 2 | 2 | 1 | 1 | 1 |
| Concatenations | 2 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 1 |
| b-value | ― | ― | ― | 0 s/mm2 1000 s/mm2 |
― | ― | ― | ― | ― |
| FoV Read | 160 mm | 160 mm | 160 mm | 220 mm | 160 mm | 160 mm | 160 mm | 160 mm | 160 mm |
| FoV Phase | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 99% | 99% |
| Phase Encoding Dir. | A >> P | R >> L | R >> L | A >> P | R >> L | R >> L | R >> L | R >> L | A >> P |
| Slice Oversampling | ― | ― | ― | ― | ― | ― | 30% | 30% | 30% |
| Phase Oversampling | 200% | 100% | 120% | 0% | 100% | 100% | 50% | 50% | 50% |
| Slice Partial Fourier | ― | ― | ― | ― | ― | ― | Off | Off | Off |
| Phase Partial Fourier | Off | Off | Off | ― | Off | Off | Off | Off | Off |
| Flow Compensation | None | None | Read | ― | None | None | ― | ― | ― |
Scanning Range
| Scan Description | SAGITTAL T1 |
AXIAL T1 |
AXIAL STIR |
AXIAL DWI |
CORONAL T2 Fat Sat |
CORONAL T1 |
Post AXIAL VIBE DIXON |
Post CORONAL VIBE DIXON |
Post SAGITTAL VIBE DIXON |
|---|---|---|---|---|---|---|---|---|---|
| Elliptical Filter | Off | Off | Off | Off | Off | Off | Off | On | On |
| Distortion Correction | 2D | 2D | 2D | Off | 2D | 2D | 2D | 2D | 2D |
| Normalize | Prescan | Prescan | Prescan | Prescan | Prescan | Prescan | Prescan | Prescan | Prescan |
| Distance Factor | 33% | 33% | 33% | 0% | 33% | 33% | 20% | 20% | 20% |
| Slice Thickness | 3.0 mm | 3.0 mm | 3.0 mm | 5.0 mm | 3.0 mm | 3.0 mm | 2.0 mm | 2.0 mm | 2.0 mm |
| Slices | 36 Slices | 32 Slices | 32 Slices | 30 Slices | 34 Slices | 34 Slices | 80 Slices per Slab | 80 Slices per Slab | 80 Slices per Slab |
| Acquisition Time | 2:03 min | 2:29 min | 3:20 min | 51 sec | 3:26 min | 2:37 min | 1:49 min | 1:49 min | 1:49 min |