Abstract #3642
Can high-resolution T1W 3-Dimensional (3D) gradient recalled echo (GRE) with 2-Point Dixon derived fat-water separation (FLEX) replace conventional T1W Turbo Spin-Echo (TSE) imaging for assessment of prostate cancer?
Karim B Samji 1,2 , Abdulmohsen Alrashed 1,2 , Wael M Shabana 1,2 , Matthew DF McInnes 1,2 , and Nicola Schieda 1,2
1
Department of Medical Imaging, The Ottawa
Hospital, Ottawa, ON, Canada,
2
University
of Ottawa, Ottawa, ON, Canada
T1W TSE imaging is fundamental for prostate cancer
staging with MRI. This study compared a modified
high-resolution free breathing 2-Point Dixon GRE
sequence with fat-water separation (FLEX-LAVA) to T1W
TSE as a potential time saving measure. There was no
difference in detection of nodal or skeletal metastases
and image quality was comparable or slightly improved
with FLEX-LAVA. Our results suggest that T1W TSE can be
safely replaced in prostate cancer MRI examinations
using a high resolution 2-Point Dixon GRE sequence
therefore decreasing examination time.
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