Abstract #1163
Initial Evaluation of T2 Shine-Through Elimination with Relax DWI
Paul Summers 1 , Daniel Chong 2 , Valentina Elli 3 , Daniele Giardiello 4 , Mehran Vaziri 1 , Giuseppe Petralia 1 , and Massimo Bellomi 1,3
1
European Institute of Oncology, Milan,
Italy,
2
Stillpig
Software, Sarawak, Malaysia,
3
University
of Milan, Milan, Italy,
4
University
of Milan - Bicocca, Milan, Italy
Tissues with long T2s like the prostatic peripheral zone
(PZ) can mimic lesions in diffusion weighted MRI due to
T2 shine-through. We have evaluated the impact on
prostate tumor contrast of Relax DWI, where four or more
echo time and diffusion weighting combinations are used
to isolate T2 and ADC effects. Relax DWI showed better
contrast between tumor and both prostate and peripheral
zone when high b-value images were calculated for TE=0
(eliminating T2 effects) than was observed in the
acquired images using our scanners minimum TE for the
same b-value, without significant change in ADC map
appearance.
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