Sinuses 3T
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 |
Pre 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 | tse_rr | tse | tirR | resolve | tseR | tse | fl | fl | fl |
| Dimension | 2D | 2D | 2D | 2D | 2D | 2D | 3D | 3D | 3D |
| Acceleration Mode | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA |
| Acceleration Factor PE | 4 | 4 | 4 | 2 | 4 | 4 | 2 | 2 | 2 |
| Acceleration Factor 3D | ― | ― | ― | ― | ― | ― | 1 | 1 | 1 |
| AutoAlign | ― | Head > Orbits | Head > Orbits | Head > Orbits | Head > Orbits | Head > Orbits | Head > Orbits | Head > Orbits | ― |
Acquisition Parameters
| Scan Description | SAGITTAL T1 |
Pre 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 | 600.0 ms | 600.0 ms | 3500.0 ms | 7260.0 ms | 3000.0 ms | 600.0 ms | 6.0 ms | 6.0 ms | 6.0 ms |
| TE | 9.20 ms | 11.00 ms | 43.00 ms | 1: 60 ms 2: 96 ms |
76.00 ms | 11.00 ms | 1: 2.46 ms 2: 3.69 ms |
1: 2.46 ms 2: 3.69 ms |
1: 2.46 ms 2: 3.69 ms |
| TI | ― | ― | 220 ms | ― | ― | ― | ― | ― | ― |
| TD | 0.00 ms | 0.00 ms | 0.00 ms | ― | 0.00 ms | 0.00 ms | ― | ― | ― |
| Flip Angle | 160 deg | 160 deg | 150 deg | 180 deg | 150 deg | 160 deg | 12 deg | 12 deg | 12 deg |
| Turbo Factor | 2 | 2 | 11 | 80 | 15 | 2 | ― | ― | ― |
| Bandwidth | 332 Hz/Px | 302 Hz/Px | 300 Hz/Px | 919 Hz/Px | 258 Hz/Px | 302 Hz/Px | 720 Hz/Px | 720 Hz/Px | 720 Hz/Px |
| Fat Saturation | ― | ― | ― | Strong | Strong | ― | ― | ― | ― |
| Fat-Water Contrast | Standard | Standard | Standard | Fat Saturation | Fat Saturation | Standard | Dixon | Dixon | Dixon |
| Gradient Mode | Fast | Fast | Normal | Fast | Normal | Fast | Fast* | Fast* | Fast* |
| RF Pulse Type | Normal | Normal | Normal | Normal | Fast | Normal | Fast | Fast | Fast |
| Asymmetric Echo | ― | ― | ― | ― | ― | ― | Weak | Weak | Weak |
Scan Parameters
| Scan Description | SAGITTAL T1 |
Pre 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 | 320 | 160 | 352 | 352 | 192 | 192 | 192 |
| Phase Resolution | 70% | 75% | 75% | 100% | 100% | 75% | 100% | 100% | 100% |
| Slice Resolution | ― | ― | ― | ― | ― | ― | 100% | 100% | 100% |
| Averages | 1 | 1 | 2 | ― | 2 | 1 | 1 | 1 | 1 |
| Concatenations | 2 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 1 |
| b-value 1 | ― | ― | ― | 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% | 99% | 100% | 100% | 100% | 99% | 100% | 100% | 100% |
| Phase Encoding Dir. | P >> A | R >> L | R >> L | A >> P | R >> L | R >> L | R >> L | R >> L | A >> P |
| Phase Oversampling | 150% | 100% | 100% | 0% | 80% | 80% | 30% | 30% | 60% |
| Slice Oversampling | ― | ― | ― | ― | ― | ― | 44% | 44% | 63% |
| Phase Partial Fourier | Off | Off | Off | Off | Off | Off | Off | Off | Off |
| Slice Partial Fourier | ― | ― | ― | ― | ― | ― | Off | Off | Off |
| Flow Compensation | Read | None | None | ― | None | None | ― | ― | ― |
Scanning Range
| Scan Description | SAGITTAL T1 |
Pre 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 | Off |
| Image Filter | Off | Off | Off | ― | Off | Off | ― | ― | ― |
| Normalize | Prescan | Prescan | Prescan | Prescan | Prescan | Prescan | Prescan | Prescan | Prescan |
| Raw Filter | Off | Off | Off | On | Off | Off | Off | Off | Off |
| Distortion Correction | 2D | 2D | 2D | Off | 2D | 2D | 2D | 2D | 2D |
| Distance Factor | 33% | 33% | 33% | 33% | 33% | 33% | 20% | 20% | 20% |
| Slice Thickness | 3.0 mm | 3.0 mm | 3.0 mm | 3.0 mm | 3.0 mm | 3.0 mm | 3.0 mm | 3.0 mm | 3.0 mm |
| Slices | 36 Slices | 32 Slices | 32 Slices | 32 Slices | 34 Slices | 34 Slices | 50 Slices per Slab | 50 Slices per Slab | 64 Slices per Slab |
| Acquisition Time | 1:38 min | 1:33 min | 3:11 min | 2:34 min | 2:35 min | 1:26 min | 47 sec | 47 sec | 1:23 min |