Quantitative Evaluation of Extramural Vascular Invasion of Rectal Cancer by Dynamic Contrast-Enhanced Magnetic Resonance Imaging

Table 1

MRI scan sequence parameters.

	Sagittal T2WI	Coronal FS T2WI	Axial FS T2WI	Axial DWI
Repetition time (ms)	3000 ms	3000 ms	3000 ms	4000 ms
Echo time	(70–110) ms	(70–110) ms	(70–110) ms	(70–110) ms
Layer space	1.0 mm	2.0 mm	1.5 mm	1.5 mm
Layer thickness	5.0 mm	6.0 mm	5.0 mm	5.0 mm
Matrix	350 × 256	350 × 186	350 × 186	120 × 150
Field of view	(33–45) cm	(37–45) cm	(37–45) cm	(37–53) cm
Number of excitations	2	3	4	5