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Abstract #4005

In Vitro Imaging of Kidney Stones in Pig Kidneys with Ultra-short Echo-time MRI

El-Sayed H. Ibrahim 1,2 , Robert Pooley 2 , Joseph Cernigliaro 2 , Mellena Bridges 2 , Jamie Giesbrandt 2 , James Williams 3 , and William Haley 2

1 University of Michigan, Ann Arbor, MI, United States, 2 Mayo Clinic, Jacksonville, FL, United States, 3 Indiana Unicersity, IN, United States

With the development of ultra-short echo-time (UTE) MRI sequences, adequate imaging of kidney stones becomes possible. Although few studies investigated imaging stones in certain experimental settings (in gel phantoms using volumetric coils), no study so far investigated the results of imaging stones with natural surroundings (inside kidneys) and using the body surface coil, which is the purpose of this work. The results show that MRI has the potential for imaging stones of different types and sizes. If successful for in-vivo imaging, the developed technique could be a valuable alternative to CT for imaging patients with higher sensitivity to radiation exposure.

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