Generic Pelvis Screening 1.5T
Siemens Healthineers – MR Gadopiclenol (VUEWAY®) Protocols
Instructions And Patient Preparation
- Instructions
- Patient should empty bladder before scanning
- Common Indications
- Metastases, pain, mass suspected
- Position
- Supine; head or feet first
- Coil
- Body Array (anterior); Spine Array (posterior)
- Landmark
- Center of coil; below belly button; adjust after LOC using ISO mode imaging
Contrast Agent Parameters
| Contrast Agent | Dose | Injection Rate | Dose Timing Method and Scan Delay | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Gadopiclenol (VUEWAY) | 0.05 mmol/kg | 2 mL/sec | Refer to postcontrast timing below | |||||||
| Saline Flush | 20 mL | 2 mL/sec | — | |||||||
| Comments | • Report agent administered and dose • Use minimal dose for patients with a GFR <30 mL/sec |
|||||||||
Imaging Parameters
| Scan Description | 3 PLANE HASTE SCOUT |
SAGITTAL T2 |
AXIAL T2 |
AXIAL T2 Fat Sat |
CORONAL T2 |
AXIAL DWI |
AXIAL 3D IN OUT CAIPI |
AXIAL T1 VIBE Pre CAIPI |
AXIAL T1 VIBE Post CAIPI 25 sec 60 sec 180 sec |
CORONAL VIBE Post Fat Sat CAIPI 180 sec |
|---|---|---|---|---|---|---|---|---|---|---|
| View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | ||
| Sequence Name | h | tse | tse | tse | tse | epse | fl | fl | fl | fl |
| Dimension | 2D | 2D | 2D | 2D | 2D | — | 3D | 3D | 3D | 3D |
| Acceleration Mode | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | CAIPIRINHA | CAIPIRINHA | CAIPIRINHA | CAIPIRINHA |
| Acceleration Factor PE | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Scan Parameters
| Scan Description | 3 PLANE HASTE SCOUT |
SAGITTAL T2 |
AXIAL T2 |
AXIAL T2 Fat Sat |
CORONAL T2 |
AXIAL DWI |
AXIAL 3D IN OUT CAIPI |
AXIAL T1 VIBE Pre CAIPI |
AXIAL T1 VIBE Post CAIPI 25 sec 60 sec 180 sec |
CORONAL VIBE Post Fat Sat CAIPI 180 sec |
|---|---|---|---|---|---|---|---|---|---|---|
| TR | 1000.0 ms | 8720.0 ms | 7790.0 ms | 6620.0 ms | 6120.0 ms | 8400.0 ms | 6.8 ms | 4.3 ms | 4.3 ms | 4.9 ms |
| TE | 93 ms | 104 ms | 101 ms | 101 ms | 113 ms | 85 ms | 1: 2.39 ms 2: 4.77 ms |
2.15 ms | 2.15 ms | 2.41 ms |
| Flip Angle | 105 deg | 160 deg | 160 deg | 160 deg | 160 deg | — | 10 deg | 10 deg | 10 deg | 10 deg |
| Turbo Factor | 256 | 23 | 23 | 23 | 25 | — | — | — | — | — |
| Bandwidth | 698 Hz/Px | 199 Hz/Px | 200 Hz/Px | 200 Hz/Px | 199 Hz/Px | 1144 Hz/Px | 510 Hz/Px | 400 Hz/Px | 400 Hz/Px | 350 Hz/Px |
| Fat-Water Contrast | Standard | Standard | Standard | SPAIR | Standard | SPAIR | Dixon | Fast Fat Saturation | Fast Fat Saturation | Fast Fat Saturation |
| Fat Saturation | — | — | — | Strong | — | Strong | — | — | — | — |
| Gradient Mode | Fast | Normal | Normal | Normal | Normal | Fast | Fast | Fast | Fast | Fast |
| RF Pulse Type | Normal | Low SAR | Low SAR | Low SAR | Low SAR | Low SAR | Fast | Fast | Fast | Fast |
| Asymmetric Echo | — | — | — | — | — | — | Strong | Off | Off | Off |
Acquisition Parameters
| Scan Description | 3 PLANE HASTE SCOUT |
SAGITTAL T2 |
AXIAL T2 |
AXIAL T2 Fat Sat |
CORONAL T2 |
AXIAL DWI |
AXIAL 3D IN OUT CAIPI |
AXIAL T1 VIBE Pre CAIPI |
AXIAL T1 VIBE Post CAIPI 25 sec 60 sec 180 sec |
CORONAL VIBE Post Fat Sat CAIPI 180 sec |
|---|---|---|---|---|---|---|---|---|---|---|
| Base Resolution | 256 | 256 | 320 | 320 | 256 | 112 | 288 | 288 | 288 | 320 |
| Phase Resolution | 100% | 83% | 80% | 80% | 70% | 100% | 60% | 70% | 70% | 60% |
| Slice Resolution | — | — | — | — | — | — | 61% | 50% | 50% | 50% |
| Averages | 1 | 2 | 1 | 1 | 1 | 3, 3, 4 | 1 | 1 | 1 | 1 |
| Concatenations | 1 | 1 | 2 | 3 | 3 | 1 | 1 | 1 | 1 | 1 |
| b-value | — | — | — | — | — | 0 s/mm2 50 s/mm2 400 s/mm2 800 s/mm2 |
— | — | — | — |
| FoV Read | 380 mm | 200 mm | 350 mm | 350 mm | 300 mm | 380 mm | 380 mm | 380 mm | 380 mm | 380 mm |
| FoV Phase | 100% | 100% | 100% | 100% | 116% | 100% | 92% | 92% | 92% | 100% |
| Phase Encoding Dir. | R >> L | A >> P | A >> P | A >> P | R >> L | A >> P | A >> P | A >> P | A >> P | R >> L |
| Phase Oversampling | 50% | 43% | 100% | 30% | 100% | 10% | 0% | 0% | 0% | 60% |
| Slice Oversampling | — | — | — | — | — | — | 30% | 49% | 49% | 33% |
| Phase Partial Fourier | 5/8 | Off | Off | Off | Off | 6/8 | 6/8 | Off | Off | Off |
| Slice Partial Fourier | — | — | — | — | — | — | 6/8 | 6/8 | 6/8 | 6/8 |
| Flow Compensation | None | None | None | None | None | — | — | — | — | — |
Scanning Range
| Scan Description | 3 PLANE HASTE SCOUT |
SAGITTAL T2 |
AXIAL T2 |
AXIAL T2 Fat Sat |
CORONAL T2 |
AXIAL DWI |
AXIAL 3D IN OUT CAIPI |
AXIAL T1 VIBE Pre CAIPI |
AXIAL T1 VIBE Post CAIPI 25 sec 60 sec 180 sec |
CORONAL VIBE Post Fat Sat CAIPI 180 sec |
|---|---|---|---|---|---|---|---|---|---|---|
| Elliptical Filter | Off | Off | Off | Off | Off | Off | Off | Off | Off | Off |
| Normalize | Prescan | Prescan | Prescan | Prescan | Prescan | Off | Prescan | Prescan | Prescan | Prescan |
| Raw Filter | Off | Off | Off | Off | Off | On | Off | Off | Off | Off |
| Distortion Correction | 2D | 2D | 2D | 2D | 2D | 2D | 2D | 2D | 2D | 2D |
| Slice Thickness | 6.0 mm | 4.0 mm | 4.0 mm | 4.0 mm | 4.0 mm | 6.0 mm | 4.0 mm | 4.0 mm | 4.0 mm | 4.0 mm |
| Distance Factor | 150% | 20% | 20% | 20% | 20% | 10% | 20% | 20% | 20% | 20% |
| Slices | Slices 13 | Slices 30 | Slices 57 | Slices 57 | Slices 61 | Slices 41 | Slices per Slab 86 | Slices per Slab 86 | Slices per Slab 86 | Slices per Slab 78 |
| Time of Acquisition | 34 sec | 2:12 min | 3:24 min | 3:20 min | 3:05 min | 4:56 min | 13 sec | 14 sec | 14 sec each | 20 sec |