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Table 1 MRI protocols for the imaging sequences

From: Non-invasive MR assessment of the microstructure and microcirculation in regional lymph nodes for rectal cancer: a study of intravoxel incoherent motion imaging

MRI Protocol TR
(ms)
TE
(ms)
Slice Thickness
(mm)
Slices FOV
(mm)
Voxel size
(mm)
No. of Signals Acquired Scanning time
Pre-contrast enhanced sequences
 Axial T2WI 3000 87 5.0 25 260 × 260 0.8 × 0.7 × 5.0 2 2′54”
 Axial IVIM-MRIa 3800 74.4 6.0 21 300 × 300 2.7 × 2.7 × 6.0 2 6′1”
 Sagittal T2WI 3000 87 3.0 19 180 × 180 0.7 × 0.6 × 3.0 2 2′30”
 Coronal T2WI 4000 77 3.0 25 220 × 220 0.7 × 0.6 × 3.0 2 2′52”
 Oblique axial T2WI 3000 84 3.0 24 180 × 180 0.6 × 0.6 × 3.0 2 3′18”
Post-contrast enhanced sequence
 Oblique axial fat-suppressed T1WI 716 12 3.0 18 180 × 180 0.8 × 0.6 × 3.0 2 3′41”
 Coronal 3D-VIBE T1WI 10 4.9 1.0 144 380 × 380 1.0 × 1.0 × 1.0 1 3′10”
  1. Note: a, single-shot spin-echo echo-planar imaging, b = 0, 5, 10, 20, 30, 40, 60, 80, 100, 150, 200, 400, 600, 1000, 1500 and 2000 s/mm2