Skip to main content

Table 1 MRI sequences to be obtained during the study

From: Predicting treatment Response based on Dual assessment of magnetic resonance Imaging kinetics and Circulating Tumor cells in patients with Head and Neck cancer (PREDICT-HN): matching ‘liquid biopsy’ and quantitative tumor modeling

Parameter T1 T2 DWI (BLADE)
Slice Orientation Axial Axial Axial
Field of View (mm) 256 256 256
Voxel Size (mm) 1 × 1 × 2 1 × 1 × 2 2 × 2 × 4
Recon Voxel Size (mm) 0.5 × 0.5 × 1 0.5 × 0.5 × 2 2 × 2 × 4
Parallel Imaging No Yes; Factor 2 No
Slice number 240 120 25
Fold-over Direction AP AP N/A
Slice Oversampling 100% No No
Shim Auto Auto Auto
Scan Mode 3D M2D M2D
Technique GRE SE BLADE
Fast Imaging Mode No TSE TSE and EPI
Echoes 1 1 1
Flip Angle (deg) 20 90 90
TR (ms) 7.38 4800 5400
Echo Time (ms) 4.77 80 50
Fat Suppression No No Yes
b-values (s/mm2) N/A N/A 0, 800
NEX 1 1 8
Geometry Correction 3D 2D No
Echo Train Length 1 15 15
Percent Sampling (%) 80 90 100
Pixel Bandwidth (Hz) 400 300 1220
Scan Duration (min) 6:05 4:48 7:08