Thin-slice reverse encoding distortion correction DWI facilitates visualization of non-functioning pituitary neuroendocrine tumor (PitNET)/pituitary adenoma and surrounding normal structures

European Radiology Experimental

Table 1 The imaging parameters for RDC-DWI and 3D-T2WI

Parameter	RDC-DWI	3D-T2WI
Image acquisition	Axial	Sagittal
b value (s/mm²)	0, 1,000	−
Repetition time (ms)	3,850	2,800
Echo time (ms)	65	80
Flip angle (degree)	90	90
Field of view (mm²)	220 × 220	220 × 220
Voxel size (mm³)	0.7 × 0.7 × 1.2	0.34 × 0.34 × 0.8
Number of slices	35	220
Band width (Hz/pixel)	1,563	488
Number of acquisitions	2 (1st, AP direction; 2nd, PA direction)	1
Parallel imaging acceleration factor	3 ×	3 × 2
Acquisition time (min:s)	4:15	4:29

3D-T2WI Three-dimensional T2-weighted imaging, AP Anterior-posterior, DWI Diffusion-weighted imaging, PA Posterior-anterior, RDC-DWI Reverse encoding distortion correction DWI