Biliary reflux detection in anomalous union of the pancreatico-biliary duct patients

Table 1 Protocol for gadoxetic acid-enhanced functional magnetic resonance cholangiography at our institution

	T2-MRC (single shot, SPAIR)			Gadoxetic acid-enhanced MRC (3D-T1-TFE, eTHRIVE)
	Axial	Coronal	MRCP slab	Axial	Coronal	MIP
TR/TE (ms)	1475/80	2415/235	10 695/920	3/2	3/2
Flip angle (°)	90	90	90	10	10
Field of view (mm)	300 × 350	350 × 350	250 × 250	304 × 330	350 × 350	315 × 315
Matrix	276 × 203	256 × 254	256 × 256	220 × 222	292 × 292	292 × 292
Thickness (mm)	4	2	40	4	2.4
Gap (mm)	1.2	1		2	1.2

MRC: Magnetic resonance cholangiography; SPAIR: Spectral attenuation with inversion recovery; THRIVE: T1-weighted high-resolution isotropic volume excitation; MIP: Maximum intensity projection; TR: Repetition time; TE: Echo time; MRCP: Magnetic resonance cholangiopancreatography.