Abstract #0516

Rapid multi-slice abdominal T1 mapping with high spatial and temporal resolution using an inversion recovery radial steady-state free precession (IR-radSSFP) technique

Zhitao Li^1,2, Ali Bilgin^1,2,3, Kevin Johnson⁴, Jean-Philippe Galons², Manoj Saranathan^2,3, Diego R Martin^2,3, and Maria I Altbach^2,3

¹Electrical and Computer Engineering, The University of Arizona, Tucson, AZ, United States, ²Department of Medical Imaging, The University of Arizona, Tucson, AZ, United States, ³Biomedical Engineering, The University of Arizona, Tucson, AZ, United States, ⁴Siemens Healthcare, Tucson, AZ, United States

A radial IR steady-state free precession technique combined with a principal component based iterative algorithm are demonstrated for rapid high-resolution abdominal T₁ mapping. This method yields high quality T₁ maps for 10 slices with spatial resolution as high as of 0.83x0.83x3mm from data acquired in a breath-hold or a short free-breathing scan. The method is a significant improvement over existing abdominal T₁ mapping techniques.

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