Renal 1.5T
GE Healthcare – MR Gadopiclenol (VUEWAY®) Protocols
Instructions And Patient Preparation
- Common Indications
- Characterization or follow up of renal mass, patients with malignancy, infection
- Position
- Supine
- Coil
- 32 channel Torso array, GEMS Body array, or Air coil
- Landmark
- Xyphoid
Contrast Agent Parameters
| Contrast Agent | Dose | Injection Rate | Dose Timing Method and Scan Delay | ||||
|---|---|---|---|---|---|---|---|
| Gadopiclenol (VUEWAY) | 0.05 mmol/kg up to a calculated volume of 10 mL | 2 mL/sec | Smart Prep Bolus Tracker – Peak Arterial plus 12 sec | ||||
| Saline Flush | 50 mL | 2 mL/sec | Immediately following gadolinium | ||||
| Dynamic LAVA Notes | • Pre Arterial: Smart Prep-Tracker in mid aorta- 12 sec delay • 90-120 sec delay • 4-5 min after injection |
||||||
| Comments | Quiet breathing | Expiration | Kidneys | Kidneys | Kidneys Pre, Late Arterial, 90-120 sec, 4-5 min |
Kidneys | Resp Trig Kidneys |
Imaging Parameters
| Scan Description | 3PL LOCALIZER SSFSE ARC |
CORONAL ARC SSFSE |
AXIAL RT T2 Fat Sat |
AXIAL In/Out Phase |
AXIAL T1 3D Fat Sat |
CORONAL T1 LAVA-Flex |
AXIAL DWI ASSET |
|---|---|---|---|---|---|---|---|
| View Image | View Image | View Image | View Image | View Image | |||
| Mode | 2D | 2D | 2D | 3D | 3D | 3D | 2D |
| Pulse Sequence | SSFSE | SSFSE | FRFSE-XL | FAST SPGR | LAVA Type in: efgre3d_aspir if available |
LAVA-Flex | DWI EPI |
| Imaging Options | SEQ, FAST, SS, ARC |
EDR, FAST, SS, ARC |
Resp Trig, ARC TRf, FAST |
EDR, FAST | ARC, Art-Smartprep, ZIP512, ZIP2, EDR, FAST |
EDR, FAST, ZIP2, ARC |
Resp Trig, EPI, DIFF, ASSET |
Scan Parameters
| Scan Description | 3PL LOCALIZER SSFSE ARC |
CORONAL ARC SSFSE |
AXIAL RT T2 Fat Sat |
AXIAL In/Out Phase |
AXIAL T1 3D Fat Sat |
CORONAL T1 LAVA-Flex |
AXIAL DWI ASSET |
|---|---|---|---|---|---|---|---|
| TE | 90 | 90 | 90 | #TEs 2 TE 1 Min (2.2) TE 2 4.4 |
Def | Def | Min |
| TR | Min | Min | Def | Def (4) | Def | MF | Def |
| TI | — | — | — | — | InvTI Auto | — | — |
| Flip Angle | — | — | — | 70 | 15 | 12 | — |
| ETL | — | — | 16 | — | — | — | — |
| Bandwidth | 83 | 83 | 62 | 31 | 62 | 90 | (Def) |
| SAT | — | — | Sat Scr Fat Sat |
— | Sat Scr Special Fat Sat |
— | — |
Acquisition Parameters
| Scan Description | 3PL LOCALIZER SSFSE ARC |
CORONAL ARC SSFSE |
AXIAL RT T2 Fat Sat |
AXIAL In/Out Phase |
AXIAL T1 3D Fat Sat |
CORONAL T1 LAVA-Flex |
AXIAL DWI ASSET |
|---|---|---|---|---|---|---|---|
| MATRIX freq | 288 | 320 | 320 | 256 | 256 | — | 192 |
| MATRIX phase | 192 | 224 | 224 | 192 | 192 | 192 | 192 |
| NEX | 1 | 1 | 2 | 1 | 1 | Def | — |
| Phase FOV | 1 | 1 | 0.8 | 0.75 | 0.9 | 1 | 1 |
| Freq Direction | — | S/I | R/L | R/L | R/L | S/I | R/L |
| Accel | Ph 2 | Ph 2, Sl 2 | — | Ph 2, SI 2 | Ph 2, Sl 2 | Ph 2, Sl 2 | Ph 2 |
| User CV | 1, 240, 1 | Max # of echos 240 | Fat Sat eff 1 FnLn Sup 0 |
— | CV6 1 CV30 1 For Smartprep: Acq del 12 |
Turbo ARC 2 | Rmp smp 1 Recon Type 1 Grad opt 1 Enh Prep 1 |
| Other | — | — | — | — | — | — | DWI b val 50 1 nex b val 400-800 4 nex Diff dr 3 in 1 OptTE On Dual SE Off Resp. 2 RR Tr Pt 30% Tr Wd 30% Del Min |
Scanning Range
| Scan Description | 3PL LOCALIZER SSFSE ARC |
CORONAL ARC SSFSE |
AXIAL RT T2 Fat Sat |
AXIAL In/Out Phase |
AXIAL T1 3D Fat Sat |
CORONAL T1 LAVA-Flex |
AXIAL DWI ASSET |
|---|---|---|---|---|---|---|---|
| FOV | 48 | 40 | 36 | 36 | 36 | 40 | 40 |
| Slice Thickness | 8 | 5 | 5 | 5 | 4 | 3 | 5 |
| Spacing | 0 | 0 | 1 | 1 | 0 | — | 1 |
| Number of Slices | 21 Slices | PRN | — | 70 Locs PRN | 60 Locs PRN | 90 Slices | PRN |
| Approx. Scan Time | 0:13 | 0:25/acq | 5 min | 0:23 | 0:18 | 0:22 | @ 2:29 |