Endometrial Cancer 1.5T
Siemens Healthineers – MR Gadopiclenol (VUEWAY®) Protocols
Instructions And Patient Preparation
- Instructions
- • Patient should empty bladder before scanning
• MD to check for Axial and Coronal Oblique angulations (true to endometrial lining) - Common Indications
- Gynecologic malignancies, characterization of pelvic mass
- 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 delay 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 OBLIQUE |
CORONAL T2 OBLIQUE |
AXIAL DWI |
AXIAL T2 Fat Sat Large FOV |
AXIAL 3D IN OUT CAIPI |
AXIAL VIBE Pre Large FOV |
SAGITTAL VIBE Pre |
SAGITTAL VIBE Post 25 sec 60 sec 180 sec |
AXIAL VIBE Post Large FOV 180 sec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | View Image | ||
| Sequence Name | h | tse | tse | tse | epse | tse | fl | fl | fl | fl | fl |
| Dimension | 2D | 2D | 2D | 2D | — | 2D | 3D | 3D | 3D | 3D | 3D |
| Acceleration Mode | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | GRAPPA | CAIPIRINHA | CAIPIRINHA | GRAPPA | GRAPPA | CAIPIRINHA |
| Acceleration Factor PE | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Scan Parameters
| Scan Description | 3 PLANE HASTE SCOUT |
SAGITTAL T2 |
AXIAL T2 OBLIQUE |
CORONAL T2 OBLIQUE |
AXIAL DWI |
AXIAL T2 Fat Sat Large FOV |
AXIAL 3D IN OUT CAIPI |
AXIAL VIBE Pre Large FOV |
SAGITTAL VIBE Pre |
SAGITTAL VIBE Post 25 sec 60 sec 180 sec |
AXIAL VIBE Post Large FOV 180 sec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TR | 1000.0 ms | 4410.0 ms | 4410.0 ms | 4700.0 ms | 6800.0 ms | 2840.0 ms | 6.8 ms | 4.2 ms | 4.7 ms | 4.7 ms | 4.2 ms |
| TE | 121 ms | 99 ms | 99 ms | 99 ms | 87 ms | 86 ms | 1: 2.39 ms 2: 4.77 ms |
1.81 ms | 2.36 ms | 2.36 ms | 1.81 ms |
| Flip Angle | 105 deg | 160 deg | 160 deg | 160 deg | — | 160 deg | 10 deg | 10 deg | 10 deg | 10 deg | 10 deg |
| Turbo Factor | 256 | 23 | 23 | 25 | — | 29 | — | — | — | — | — |
| Bandwidth | 698 Hz/Px | 300 Hz/Px | 300 Hz/Px | 300 Hz/Px | 1148 Hz/Px | 260 Hz/Px | 510 Hz/Px | 540 Hz/Px | 450 Hz/Px | 450 Hz/Px | 540 Hz/Px |
| Fat-Water Contrast | Standard | Standard | Standard | Standard | SPAIR | SPAIR | Dixon | Fast Fat Saturation | Fast Fat Saturation | Fast Fat Saturation | Fast Fat Saturation |
| Fat Saturation | — | — | — | — | Strong | Strong | — | — | — | — | — |
| Gradient Mode | Fast | Normal | Normal | Normal | Fast | Fast | Fast | Fast | Fast | Fast | Fast |
| RF Pulse Type | Normal | Normal | Normal | Normal | Low SAR | Fast | Fast | Fast | Fast | Fast | Fast |
Acquisition Parameters
| Scan Description | 3 PLANE HASTE SCOUT |
SAGITTAL T2 |
AXIAL T2 OBLIQUE |
CORONAL T2 OBLIQUE |
AXIAL DWI |
AXIAL T2 Fat Sat Large FOV |
AXIAL 3D IN OUT CAIPI |
AXIAL VIBE Pre Large FOV |
SAGITTAL VIBE Pre |
SAGITTAL VIBE Post 25 sec 60 sec 180 sec |
AXIAL VIBE Post Large FOV 180 sec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Asymmetric Echo | — | — | — | — | — | — | Strong | Off | Off | Off | Off |
| Base Resolution | 256 | 320 | 320 | 320 | 128 | 320 | 288 | 256 | 288 | 288 | 256 |
| Phase Resolution | 100% | 70% | 70% | 80% | 100% | 70% | 65% | 70% | 70% | 70% | 70% |
| Slice Resolution | — | — | — | — | — | — | 61% | 50% | 61% | 61% | 50% |
| Averages | 1 | 3 | 2 | 2 | 1, 3, 4 | 1 | 1 | 1 | 1 | 1 | 1 |
| Concatenations | 1 | 2 | 2 | 2 | 1 | 4 | 1 | 1 | 1 | 1 | 1 |
| b-value | — | — | — | — | 0 s/mm2 50 s/mm2 400 s/mm2 800 s/mm2 |
— | — | — | — | — | — |
| FoV Read | 380 mm | 220 mm | 200 mm | 180 mm | 260 mm | 380 mm | 425 mm | 380 mm | 265 mm | 265 mm | 380 mm |
| FoV Phase | 100% | 100% | 113% | 109% | 88% | 81% | 89% | 91% | 100% | 100% | 91% |
| Phase Encoding Dir. | R >> L | A >> P | R >> L | R >> L | A >> P | A >> P | A >> P | A >> P | A >> P | A >> P | A >> P |
| Phase Oversampling | 50% | 10% | 100% | 100% | 10% | 0% | 25% | 30% | 20% | 20% | 30% |
| Slice Oversampling | — | — | — | — | — | — | 27% | 33% | 0% | 0% | 33% |
| Phase Partial Fourier | 5/8 | Off | Off | Off | 6/8 | Off | 6/8 | Off | 6/8 | 6/8 | Off |
| Slice Partial Fourier | — | — | — | — | — | — | 6/8 | 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 OBLIQUE |
CORONAL T2 OBLIQUE |
AXIAL DWI |
AXIAL T2 Fat Sat Large FOV |
AXIAL 3D IN OUT CAIPI |
AXIAL VIBE Pre Large FOV |
SAGITTAL VIBE Pre |
SAGITTAL VIBE Post 25 sec 60 sec 180 sec |
AXIAL VIBE Post Large FOV 180 sec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Elliptical Filter | Off | Off | Off | Off | Off | Off | Off | Off | Off | Off | Off |
| Normalize | Prescan | Prescan | Prescan | Prescan | Off | Prescan | Prescan | Prescan | Prescan | Prescan | Prescan |
| Raw Filter | Off | Off | Off | Off | On | Off | Off | Off | Off | Off | Off |
| Distortion Correction | 2D | 2D | 2D | 2D | 2D | 2D | 2D | 2D | 2D | 2D | 2D |
| Slice Thickness | 6.0 mm | 3.0 mm | 4.0 mm | 3.0 mm | 7.0 mm | 6.0 mm | 3.0 mm | 3.0 mm | 3.0 mm | 3.0 mm | 3.0 mm |
| Distance Factor | 150% | 20% | 0% | 20% | 0% | 20% | 20% | 20% | 20% | 20% | 20% |
| Slices | Slices 13 | Slices 40 | Slices 40 | Slices 40 | Slices 32 | Slices 37 | Slices per Slab 88 |
Slices per Slab 72 |
Slices per Slab 72 |
Slices per Slab 72 |
Slices per Slab 72 |
| Time of Acquisition | 34 sec | 2:49 min | 3:24 min | 3:57 min | 3:19 min | 1:21 min | 16 sec | 12 sec | 20 sec | 20 sec | 12 sec |