Abstract #1560
The Capabilities and Limitations of Clinical MRI Sequences for Detecting Kidney Stones. A Retrospective Study
El-Sayed H. Ibrahim 1,2 , Joseph Cernigliaro 2 , Mellena Bridges 2 , Robert Pooley 2 , and William Haley 2
1
University of Michigan, Ann Arbor, MI,
United States,
2
Mayo
Clinic, Jacksonville, FL, United States
Computed tomography is established as the method of
choice for kidney stone imaging, albeit its limitation
of radiation exposure. However, MRI capability for
detecting kidney stones has not been fully investigated,
especially due to the stones appearance as non-specific
signal void on MRI images. In this work, we conducted a
retrospective study to document the performance of
currently available MRI techniques for detecting kidney
stones and to determine the characteristics of
successfully-detected stones. The results show that MRI
is capable of detecting about one-fifth of the stones,
with stone size (8-mm threshold) and background-contrast
as major factors for their visibility.
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