Diagnostic performance of abbreviated gadoxetic acid-enhanced magnetic resonance protocols with contrast-enhanced computed tomography for detection of colorectal liver metastases

Table 1 Magnetic resonance imaging acquisition parameters

Sequence	Orientation	Respiratory compensation	Repetition/echo time (ms)	Flip angle (degrees)	Section thickness (mm)	Intersection gap (mm)	Field-of-view (mm2)	Matrix	Acquisition time (s)
T1-weighted in and opposed phases (SPGR)	Axial	Breath-hold	6.9/4.5	12	4	1	350´280	320´224	20
Dynamic study (LAVA)1	Axial	Breath-hold	6.5/3.1	15	4	1	350´280	320´192	20
Single-shot FSE T2-weighted imaging	Axial	Breath-hold	520/82	90	5	1	350´350	384´256	20
Diffusion-weighted imaging	Axial	Respiration trigger	8000-12000/68	90	5	1	350´350	128´128	210
Fat-suppressed FSE T2-weighted imaging	Axial	Respiration trigger	520/82	160	5	1	350´350	320´320	230
Hepatobiliary phase	Axial	Breath-hold	6.5/3.1	30	4	1	350´280	320´224	20

¹Dynamic study consists of pre-contrast, late arterial, portal venous, and transitional phases.

SPGR: Spoiled gradient-recalled echo; LAVA: Liver acquisition with volume acceleration; FSE: Fast spin echo.