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Table 1 Imaging parameters in the centers

From: Evaluation of pretreatment ADC values as predictors of treatment response to neoadjuvant chemotherapy in patients with breast cancer - a multicenter study

Centers

MR scanners

DWI sequence technique

1

2 different 1.5 T scanners: GE Medical (Milwaukee, WI, USA) and Achieva, Philips Healthcare, (Best, Netherlands)

FOV 160 × 192 mm

slice thickness 5 mm

TR 4200 ms

TE 85 ms

b-values 0, 250, 500, 750 and 1000 s/mm2

2

1.5 T Intera Achieva (Philips Medical Systems, Best, The Netherlands

FOV 360 × 216 mm

slice thickness 5 mm

TR 3783 ms

TE 64 ms

b-values: 0 and 800 s/mm2.

3

3.0-T system (MR750, GE Healthcare)

FOV 350 × 350 mm

Slice thickness 4 mm

TR 5 ms

TE 77.9 ms

b-values: 0, 30, 60, 90, 120, 300, 600 and 900 s/mm2

4

2 different 1.5 T system (Signa; GE Medical Systems, Milwaukee, Wis, Aera; Siemens, Erlangen, Germany)

FOV 320 × 320, and 360 × 270 mm

Slice thickness 4 mm

TR 8000 and 6500 ms

TE 65 and 66 ms

b-values: 0 and 700 s/mm2 and 50 and 700 s/mm2