Adrenal 3.0T

GE Healthcare – MR Gadopiclenol (VUEWAY®) Protocols

Instructions And Patient Preparation

Common Indications: Characterization or follow up of adrenal mass, suspicion of pheochromocytoma (refractory hypertension, elevated plasma or urine catecholamines)
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 • 3-5 min after injection
Comments	Quiet breathing	Expiration	Kidneys/Adrenals	Proton Density Fat-fraction (PDFF) and R2* quantification (must be precontrast)	Kidneys/Adrenals	Kidneys/Adrenals Pre, Late Arterial, 90-120 sec, 3-5 min	Kidneys/Adrenals	Optional: Resp Trig Kidneys/Adrenals

Imaging Parameters

Scan Description	3PL LOCALIZER SSFSE ARC	CORONAL ARC SSFSE	AXIAL RT T2 Fat Sat	AXIAL IDEAL – IQ	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	3D	2D
Pulse Sequence	SSFSE	SSFSE	FRFSE-XL	IDEAL-IQ	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	FAST, EDR, IDEAL, ARC	FAST, ZIP2, ARC	ARC, Art-Smartprep, EDR, ZIP2, 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 IDEAL – IQ	AXIAL In/Out Phase	AXIAL T1 3D Fat Sat	CORONAL T1 LAVA-Flex	AXIAL DWI ASSET

TE	90	90	90	# Def (6) Shots Min	#TEs 2 TE 1 Min (1.1) TE 2 2.3	Def	Def	Min
TR	Min	Min	Def	Def	Def (4)	Def	MF	Def
TI	—	—	—	3	—	InvTI Auto	—	—
Flip Angle	—	—	—	3	15	15	12	—
ETL	—	—	16	100	—	—	—	—
Bandwidth	83	83	62	—	143	83	90	(Def)
SAT	—	—	Sat Scr Fat	—	—	Sat Scr Special Fat Sat	—	—

Acquisition Parameters

Scan Description	3PL LOCALIZER SSFSE ARC	CORONAL ARC SSFSE	AXIAL RT T2 Fat Sat	AXIAL IDEAL – IQ	AXIAL In/Out Phase	AXIAL T1 3D Fat Sat	CORONAL T1 LAVA-Flex	AXIAL DWI ASSET

MATRIX freq	288	320	320	224	288	260	—	192
MATRIX phase	192	224	224	160	192	200	192	192
NEX	1	1	2	0.75	1	1	Def	—
Phase FOV	1	1	0.8	0.8	0.9	0.9	1	1
Freq Direction	—	S/I	R/L	R/L	R/L	R/L	S/I	R/L
Accel	Ph 2	Ph 2	Ph 2	Ph 2, Sl 2	Ph 2, SI 2	Ph 1.5, Sl 1.5. (can increase for poor breath holders)	Ph 2, Sl 2	Ph 2
User CV	1, 240, 1	—	Blur canc 1 Fat Sat eff 1 FnLn Sup 0	—	—	CV6 1 For Smartprep: CV2 40 CV4 (acq delay) 12	Turbo Arc 2	Rmp smp 1 Recon Type 1 Grad opt 1 Enh Prep 1
Other	—	Max # of echos 240	—	—	—	—	—	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 IDEAL – IQ	AXIAL In/Out Phase	AXIAL T1 3D Fat Sat	CORONAL T1 LAVA-Flex	AXIAL DWI ASSET

FOV	48	40	36	40	38	38	40	40
Slice Thickness	8	4	4	6	3.6	3.6	3	4
Spacing	0	0	1	0	0	0	—	1
Number of Slices	21 Slices	PRN	—	32 Locs	70 Locs PRN	70 Locs PRN	90 Slices	PRN
Approx. Scan Time	0:13	0:25/acq	4:00 ±	0:20	0:23	0:17	0:22	@ 2:29