MRI for Assessing Response to Neoadjuvant Therapy in Locally Advanced Rectal Cancer Using DCE-MR and DW-MR Data Sets: A Preliminary Report

Table 1

Pulse sequence parameters on MR studies.

Sequence	Orientation	TR/TE/FA (ms/ms/deg.)	AT (min)	FOV (mm × mm)	Acquisition matrix	ST/Gap (mm/mm)	TF
T1w 2D TSE	Coronal	499/13/150	2.36	450 × 450	256 × 230	3/0	3
T2w 2D TSE	Sagittal	4820/98/150	4.17	260 × 236	256 × 139	3/0	13
T2w 2D TSE	Axial	3970/98/150	3.48	270 × 236	256 × 157	3/0	13
SE-DW-EPI	Axial	2700/83	6.37	136 × 160	160 × 102	4/0	/
T1w FLASH 3D	Axial	9.8/4.76/25	0.58	330 × 247	256 × 192	3/0	/
T1w FLASH 3D	Axial	9.8/4.76/25	0.58 × 10	330 × 247	256 × 192	3/0	/
T1w 2D TSE	Sagittal	538/13/150	2.35	250 × 250	256 × 230	3/0	5
T1w 2D TSE	Coronal	538/13/150	2.52	250 × 250	256 × 230	3/0	5
T1w 2D TSE	Axial	450/12/150	2.31	270 × 236	256 × 202	3/0	5

Note: TR = repetition time, TE = echo time, FOV = field of view, FA = flip angle, ST = slice thickness, TF = turbo factor, and AT = acquisition time.