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European Radiology Experimental

Table 1 Multiparametric MRI acquisition

From: MRI-based radiomics to predict response in locally advanced rectal cancer: comparison of manual and automatic segmentation on external validation in a multicentre study

Parameters Centre A Centre B Centre C
T2w TR/TE 7,660/110 ms 3,231/90 ms 5,085/100 ms
Acquisition matrix 416 × 224 320 × 311 512 × 512
Slice thickness 4 mm 3.5 mm 3 mm
Pixel size 0.43 × 0.43 mm2 0.47 × 0.47 mm2 0.8 × 0.8 mm2
FOV 220 mm × 220 mm 240 mm × 240 mm 250 mm × 250 mm
Flip angle 90° 90° 90°
DWI TR/TE 2,000/87 ms 4,011/91 ms 2,694/68 ms
Acquisition matrix 96 × 128 100 × 98 124 × 101
Slice thickness 4 mm 3.5 mm 3 mm
Pixel size 0.86 × 0.86 mm2 1.88 × 1.88 mm2 2.8 × 2.8 mm2
FOV 220 mm × 220 mm 240 mm × 240 mm 345 mm × 345 mm
Flip angle 90° 90° 90°
b-value max 1,200 s/mm2 1,000 s/mm2 1,000 s/mm2
  1. FOV Field of view, ms Millisecond, TR/TE Repetition time/time to echo
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