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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: J Magn Reson Imaging. 2015 Apr 24;42(6):1656–1665. doi: 10.1002/jmri.24929

Table 1.

Phantom relaxation times and ADC values in NIST breast phantom

T1** relaxation
time (ms)
T2** relaxation
time (ms)
Reference*
ADC (mm2/s)
Bilateral DWI
ADC (mm2/s)
rFOV DWI
ADC (mm2/s)
10% PVP 2021 ± 63.5 1120 ± 449.1 1.8 1.630.03 1.690.1
25% PVP 1033 ± 12.1 471 ± 138.1 1.0 0.940.02 0.990.1
40% PVP 625 ± 10.5 465 ± 209.1 0.65 0.540.02 0.610.09

Abbreviations: ADC: apparent diffusion coefficient; SD: standard deviation; NIST: National Institute of Standards and Technology; PVP: polyvinylpyrrolidone; DWI: diffusion-weighted imaging; rFOV: reduced field-of-view.

*

measurement performed at 20.5°C

**

T1/T2 values provided by the phantom manufacturer