UTE MRI versus Dual-Energy CT for Imaging Different Kidney Stones Types
El-Sayed H. Ibrahim 1,2 , Robert Pooley 2 , Mellena Bridges 2 , Joseph Cernigliaro 2 , James Williams 3 , and William Haley 2
University of Michigan, Ann Arbor, MI,
Clinic, Jacksonville, FL, United States,
Unicersity, IN, United States
CT is established as the method of choice for imaging
kidney stones, especially with dual-energy CT (DECT)
that can identify uric-acid (UA) from non-UA stones.
With the advent of ultra-short echo-time (UTE) MRI,
adequate imaging of kidney stones becomes possible. The
purpose of this work is to compare MRI versus DECT
imaging of 114 kidney stones, representing different
stone types and sizes, in phantom experiments using
different surrounding materials and scan-setups. The
results showed that MRI is capable of imaging kidney
stones of different types and sizes. However, no
significant differences were observed in relaxation
times from different stone types.
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