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Table 1 MR acquisition parameters at a 1.5 T Ingenia Philips Healthcare®, Best, The Netherlands equipment

From: MRI of rectal cancer—relevant anatomy and staging key points

Parameter Oblique axial T2-weighted turbo spin-echo* Oblique coronal T2-weighted turbo spin-echo Sagittal T2-weighted turbo spin-echo Single-shot spin-echo echo-planar diffusion-weighted+ 2D T1-weighted gradient-echo
Echo time (ms) 85 100 100 90 10
Repetition time (ms) 5692 2000 2660 4288 683
Echo train length 18 16 21
Slice thickness (mm) 3 3 3 5 5
Gap (mm) 0.3 0.3 0 0 1
Matrix 416 × 465 200 × 179 252 × 223 76 × 65 292 × 300
Field-of-view (mm) 250 × 328 160 × 160 200 × 200 200 × 200 290 × 348
In-plane resolution (mm2) 0.6 × 0.7 0.8 × 0.8 0.8 × 0.9 2.6 × 3.01 1 × 1.16
Signal averages 1 2 2 7 1
  1. *Oblique axial scans are acquired perpendicular to the long axis of the rectal wall at tumour location
  2. +Spectral pre-saturation with inversion recovery is utilised for fat saturation. B values of 0 and 1400 s/mm2 are employed