Adrenal 1.5T
Siemens Healthineers – MR Gadopiclenol (VUEWAY®) Protocols
Instructions And Patient Preparation
- Instructions
- • No special instructions for patient
• Cover kidneys and adrenal glands - Common Indications
- Characterization or follow up of adrenal mass, suspicion of pheochromocytoma (refractory hypertension, elevated plasma or urine catecholamines)
- Position
- Supine, head or feet first
- Coil
- Phase Array Torso, Spine Array (posterior)
- Landmark
- Xyphoid
Contrast Agent Parameters
| Contrast Agent | Dose | Injection Rate | Dose Timing Method and Scan Delay | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Gadopiclenol (VUEWAY) | 0.05 mmol/kg | 2 mL/sec | Power Injector preferred, Care Bolus | ||||||
| Saline Flush | 20 mL | 2 mL/sec | — | ||||||
| Comments | • MD to check pre contrast, to see if contrast is necessary; discretion of radiologist • Dixon Recons: In, Out, Fat, Water • Report agent administered and dose • Use minimal dose for patients with a GFR <30 mL/sec |
||||||||
Imaging Parameters
| Scan Description | 3PLANE HASTE LOCALIZER |
CORONAL T2 HASTE |
AXIAL T2 HASTE |
AXIAL T2 HASTE Fat Sat |
AXIAL 3D IN/OUT CAIPI |
AXIAL DWI |
AXIAL VIBE Pre |
AXIAL VIBE Post 25 sec 60 sec 180 sec |
CORONAL T1 VIBE Post 180 sec |
|---|---|---|---|---|---|---|---|---|---|
| View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | ||
| Sequence Name | h | h | h | h | fl | fl | fl | fl | fl |
| Dimension | 2D | 2D | 2D | 2D | 3D | 2D | 3D | 3D | 3D |
| Acceleration Mode | GRAPPA | GRAPPA | GRAPPA | GRAPPA | CAIPIRINHA | VIBE | VIBE | VIBE | VIBE |
| Acceleration Factor PE | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Acceleration Factor 3D | — | — | — | — | 2 | — | 2 | 2 | 2 |
Scan Parameters
| Scan Description | 3PLANE HASTE LOCALIZER |
CORONAL T2 HASTE |
AXIAL T2 HASTE |
AXIAL HASTE T2 Fat Sat |
AXIAL 3D IN/OUT CAIPI |
AXIAL DWI |
AXIAL VIBE Pre |
AXIAL VIBE Post 25 sec 60 sec 180 sec |
CORONAL VIBE Post 180 sec |
|---|---|---|---|---|---|---|---|---|---|
| TR | 1100.0 ms | 1300.0 ms | 1200.0 ms | 1200.0 ms | 6.8 ms | 7200.0 ms | 4.4 ms | 4.4 ms | 4.9 ms |
| TE | 85 ms | 89 ms | 98 ms | 98 ms | 1: 2.39 ms 2: 4.77 ms |
89 ms | 2.21 ms | 2.21 ms | 2.38 ms |
| Flip Angle | 150 deg | 180 deg | 160 deg | 180 deg | 10 deg | — | 10 deg | 10 deg | 10 deg |
| Turbo Factor | 179 | 256 | 45 | 198 | — | — | — | — | — |
| Bandwidth | 698 Hz/Px | 698 Hz/Px | 679 Hz/Px | 698 Hz/Px | 510 Hz/Px | 1370 Hz/Px | 410 Hz/Px | 410 Hz/Px | 350 Hz/Px |
| Fat-Water Contrast | Standard | Standard | Standard | Fat Saturation | Dixon | SPAIR | Fast Fat Saturation | Fast Fat Saturation | Fast Fat Saturation |
| Fat Saturation | — | — | — | Strong | — | Strong | — | — | — |
| Gradient Mode | Fast | Fast | Fast | Fast | Fast | Fast | Fast | Fast | Fast |
| RF Pulse Type | Normal | Fast | Fast | Fast | Fast | Normal | Fast | Fast | Fast |
| Asymmetric Echo | Allowed | — | — | Off | Off | Allowed | Off | Off | Off |
Acquisition Parameters
| Scan Description | 3PLANE HASTE LOCALIZER |
CORONAL T2 HASTE |
AXIAL T2 HASTE |
AXIAL HASTE T2 Fat Sat |
AXIAL 3D IN/OUT CAIPI |
AXIAL DWI |
AXIAL VIBE Pre |
AXIAL VIBE Post 25 sec 60 sec 180 sec |
CORONAL VIBE Post 180 sec |
|---|---|---|---|---|---|---|---|---|---|
| Base Resolution | 256 | 256 | 256 | 256 | 288 | 192 | 320 | 320 | 320 |
| Phase Resolution | 70% | 100% | 81% | 95% | 83% | 80% | 70% | 70% | 60% |
| Slice Resolution | — | — | — | — | 60% | — | 50% | 50% | 50% |
| Averages | 1 | 1 | 1 | 1 | 1 | 1, 4 | 1 | 1 | 1 |
| Concatenations | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
| b-value | — | — | — | — | — | 0 s/mm2 50 s/mm2 800 s/mm2 |
— | — | — |
| FoV Read | 400 mm | 380 mm | 380 mm | 380 mm | 380 mm | 380 mm | 380 mm | 380 mm | 400 mm |
| FoV Phase | 100% | 100% | 81% | 81% | 83% | 80% | 90% | 90% | 81% |
| Phase Encoding Dir. | A >> P | R >> L | A >> P | A >> P | A >> P | A >> P | A >> P | A >> P | R >> L |
| Phase Oversampling | 30% | 50% | 0% | 0% | 25% | 0% | 30% | 30% | 60% |
| Slice Oversampling | — | — | — | — | 33% | — | 33% | 33% | 33% |
| Phase Partial Fourier | 5/8 | 4/8 | — | 5/8 | 6/8 | 7/8 | Off | Off | Off |
| Slice Partial Fourier | — | — | — | — | 6/8 | — | 6/8 | 6/8 | 6/8 |
| Flow Compensation | None | None | None | None | — | — | — | — | — |
Scanning Range
| Scan Description | 3PLANE HASTE LOCALIZER |
CORONAL T2 HASTE |
AXIAL T2 HASTE |
AXIAL HASTE T2 Fat Sat |
AXIAL 3D IN/OUT CAIPI |
AXIAL DWI |
AXIAL VIBE Pre |
AXIAL VIBE Post 25 sec 60 sec 180 sec |
CORONAL VIBE Post 180 sec |
|---|---|---|---|---|---|---|---|---|---|
| Elliptical Filter | On | Off | Off | Off | Off | Off | Off | Off | Off |
| Normalize | Prescan | Prescan | Prescan | Prescan | Prescan | Off | Prescan | Prescan | Prescan |
| Raw Filter | Off | Off | Off | Off | Off | Off | Off | Off | Off |
| Distortion Correction | 2D | 2D | 2D | 2D | 2D | 2D | 2D | 2D | 2D |
| Slice Thickness | 6.0 mm | 4.0 mm | 4.0 mm | 4.0 mm | 3.0 mm | 6.0 mm | 3.0 mm | 3.0 mm | 3.0 mm |
| Distance Factor | 150% | 20% | 20% | 20% | 20% | 20% | 20% | 20% | 20% |
| Slices | Slices 9 | Slices 30 | Slices 30 | Slices 30 | Slices per Slab 72 |
Slices 30 | Slices per Slab 72 |
Slices per Slab 72 |
Slices per Slab 72 |
| Time of Acquisition | 0:21 | 0:39 | 0:38 | 0:38 | 0:16 | 2:11 | 0:15 | 0:15 | 0:19 |