Diffusion-weighted magnetic resonance imaging in bladder cancer: comparison of readout-segmented and single-shot EPI techniques

Table 1 The main parameters of MRI protocols

Protocols	TR/TE (ms)	FOV (mm²)	Matrix	Thickness (mm)	Gap (mm)	Slices	Acceleration factor	b-values (s/mm²)	Averages	Readout segments	Scan time
T1W TSE	680/20	220 × 220	180× 256	4	0.8	30	3	–	2	–	2′2”
T2W TSE	7500/101	200 × 200	320 × 320	4	0.4	20	2	–	2	–	3′9”
SS-EPI	3000/66	176 × 220	72 × 90	4	0	16	2	0, 1000	1, 12	1	2’
RS-EPI	3400/63	156 × 260	102 × 170	4	0	16	2	0, 1000	1, 4	5	4′35”
T1W VIBE	3.33/1.23	234 × 360	154× 192	3	0	30	4	–	1	–	16”

Note: FOV field of view, RS-EPI Readout segmented echo-planar imaging, SS-EPI Single-shot echo-planar imaging, TR/TE repetition time/echo time, T1W TSE T1-weighted turbo spin echo, T1W VIBE T1-weighted volumetric interpolated breath-hold examination, T2W TSE T2-weighted turbo spin echo

ISSN: 1470-7330