Evolution of incidental branch-duct intraductal papillary mucinous neoplasms of the pancreas: A study with magnetic resonance imaging cholangiopancreatography

Table 1 Acquisition parameters of the magnetic resonance cholangiography sequences acquired in the study

	1.5T (1)		1.5T (2)		3.0T
	2D	3D	2D	3D	2D	3D
Sequence	HASTE	TSE	HASTE	TSE	SS-FSE	FSE
Type of acquisition	Breath hold	Navigator gated	Breath hold	Navigator gated	Breath hold	Respiratory triggered
TR (ms)	4000	2500	4500	2500	9449	1661.5
TE (ms)	735	685	725	700	740	401.2
FOV (mm × mm)	300 × 300	380 × 380	250 × 250	380 × 380	300 × 300	300 × 300
Matrix (pixel × pixel)	307 × 384	357 × 384	269 × 384	353 × 384	256 × 320	200 × 200
Number of slices	1 × 8	72	1 × 8	72	1 x 6	107
Slice thickness (mm)	40-50	1	50	1	40-50	0.75
Number of excitations	1	2	1	1.5	1	1
Acquisition time	4.5 s × 8	3 min 4 s (nominal)	4.5 s × 8	5 min 1 s (nominal)	9.3 s × 6	4 min 54 s (nominal)