Abstract #4807
High Resolution Rodent Cochlea Imaging on a 3T Clinical Magnet
Joshua D Kaggie 1,2 , K Craig Goodrich 1 , Seong-Eun Kim 1 , Michael J Beck 1 , Dennis L Parker 1,2 , Robb Merrill 1 , Travis A Abele 3 , Richard Wiggins 3 , and J Rock Hadley 1
1
Utah Center for Advanced Imaging Research,
Radiology, University of Utah, Salt Lake City, UT,
United States,
2
Physics,
University of Utah, Salt Lake City, UT, United States,
3
Neuroradiology,
University of Utah, Salt Lake City, UT, United States
This work developed a small animal system that could
acquire good in vivo 100μm isotropic resolution images
of a guinea pig cochlea on a 3T clinical MR system. The
system used improved gradients, RF coils, and animal
holder/monitoring equipment when compared to a standard
clinical magnet. FLASH imaging was used to assess the
quality of the system. Gadolinium increased the SNR and
contrast of the cochlea during FLASH imaging. The small
animal system obtained good 100μm isotropic resolution
images of the cochlear chambers in a scan time of only
33 minutes.
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