Abstract #2191
Improvement of Renal Diffusion-Weighted MR Imaging with readout-segmented Echo-Planar Imaging at 3T
Iris Friedli 1 , Lindsey A Crowe 1 , Magalie Viallon 1 , Sophie de Seigneux 2 , and Jean-Paul Valle 1
1
Radiology, Geneva University Hospital,
Geneva, Switzerland,
2
Nephrology,
Geneva University Hospital, Geneva, Switzerland
The use of diffusion-weighted imaging for renal study is
challenging due to limited spatial resolution, image
blurring and severe geometric distortions at tissue-air,
tissue-intestine interfaces. We report on the first
comparison in kidney between a readout segmentation of
long variable echo-trains (Resolve) strategy with
different versions of single-shot SE-EPI. A key result
is the benefit of Resolve to drastically improve both
the diffusion image quality by reducing susceptibility
artifacts and the measurement of the Apparent Diffusion
Coefficient (ADC) of the cortex and medulla.
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