Skip to main content

Table 1 Magnetic resonance sequences and parameters for axial imaging in kiwifruits and human prostates at two different institutions (site 1, site 2)

From: Two-centre comparative experimental study of biparametric MRI at 3.0 T with and without endorectal coil using kiwifruit (Actinidia deliciosa) as a phantom for human prostate

ParameterT2WI site 1T2WI site 2DWIreduced site 1DWIreduced site 2
Field of view (mm2)180 × 180160 × 160149 × 73179 × 71
Imaging matrix320 × 320320 × 32090 × 44140 × 42
Slice thickness (mm)3.03.03.53.5
Slice spacing (mm)3.03.33.53.5
Voxel size (mm3)0.56 × 0.56 × 3.000.50 × 0.50 × 3.001.66 × 1.66 × 3.501.28 × 1.69 × 3.50
No. of slices26302022
PAT modeGRAPPAGRAPPAn/an/a
Acceleration factor PE22n/an/a
Echo time (ms)101987474
Echo train length25173842
Time to repeat (ms)7500740045004500
Bandwidth (Hz/px)20018015001190
b value (s/mm2)n/an/a50, 400, 80050, 800
Number of excitations322, 5, 12 (per b value)4, 16 (per b value)
Acquisition time (min:s)04:2204:3804:3204:44
Flip angle160°120°90°90°
Percent sampling10010010075
Percent phase field of view10010048.940
  1. ADC apparent diffusion coefficient, DWIreduced echo-planar diffusion-weighted imaging with reduced field of view and selective excitation, GRAPPA generalised autocalibrating partially parallel acquisition, n/a not applicable, PAT parallel acquisition technique, T2WI T2-weighted turbo-spin-echo imaging