Abstract #2171
T2-weighted 4D-MRI with combined phase and amplitude sorting
Yilin Liu 1 , Zheng Chang 2 , Brian Czito 2 , Mustafa Bashir 2 , Fang-Fang Yin 2 , and Jing Cai 2
1
Medical Physics, Duke University, Durham,
NC, United States,
2
Duke
University, NC, United States
In this study, we demonstrated the feasibility of a
novel retrospective T2-W 4D-MRI phase and amplitude
hybrid sorting method based on HASTE/SSFSE sequence. A
result-driven sorting strategy was induced in this
technique. The T2-W 4D-MRI technique can be applied on
liver, pancreas and many other abdominal regions to
exhibit the motion of tumors or critical organs. To
validate our technique, 4D-MRI acquisition and
reconstruction were tested on a 4D Digital Extended
Cardiac-Torso (XCAT) human phantom. 5 healthy volunteers
were involved in a human study for this technique.
Future evaluation on patients is desired.
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