Evaluating water selective DWI of the breast: A test-retest study
He Zhu 1 , Lori Arlinghaus 1 , Jennifer G. Whisenant 1 , John C. Gore 1 , and Thomas Yankeelov 1
VUIIS, Vanderbilt University, Nashville, TN,
Diffusion weighted imaging (DWI) provides quantitative
and non-invasive assessments of cell density in breast
tissue. We recently developed a water selective DWI
acquisition obviating the need for fat suppression using
inversion recovery or pre-saturation. Instead, our
method relies on image-based shimming to identify the
water resonance during a pre-scan and then applies
frequency selective excitation on the water resonance.
In this abstract, we report a test-retest study to
investigate if the added complexity of this water
selective DWI method compromised reproducibility.
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