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Table 2 Patients and magnetic resonance imaging techniques

From: Can diffusion-weighted imaging predict tumor grade and expression of Ki-67 in breast cancer? A multicenter analysis

Centers

No. of patients

MRI equipment and field strength

DWI sequences and b-values

1

115

1.5-T scanner (MAGNETOM Avanto; Siemens Medical Systems, Erlangen, Germany)

Single-shot echo-planar sequence (TR/TE: 7100/84 ms); b-values: 0–1000 s/mm2

2

335

1.5-T scanner (Sonata; Siemens Medical Systems, Erlangen, Germany)

Single-shot echo-planar sequence (TR/TE: 5000/110 ms); b-values: 0–1000 s/mm2

3

82

3.0-T scanner (MAGNETOM Verio, Siemens Medical Systems, Erlangen, Germany)

Single-shot echo-planar sequence (TR/TE: 7000/85 ms); b-values: 50–1000 s/mm2

4

143

1.5-T scanner (GE Healthcare Life Sciences, Milwaukee, WI, USA)

Single-shot echo-planar sequence (TR/TE: 7000/85 ms); b-values: 0–900 s/mm2

5

107

3-T scanner (Achieva TX; Philips Healthcare, Best, The Netherlands)

Single-shot echo-planar sequence (TR/TE: 5336/ 61 ms); b-values: 0–800 s/mm2

6

88

3-T scanner (Trio Tim; Siemens Medical Systems, Erlangen, Germany)

Single-shot echo-planar sequence (TR/TE: 6600/91 ms); b-values: 0–1000 s/mm2

  1. Abbreviations: MRI Magnetic resonance imaging, DWI Diffusion-weighted imaging, TR Repetition time, TE Echo time
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Breast Cancer Research

ISSN: 1465-542X

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