Abstract #0815

Rapid protocol for T1 and T2* mapping: STrategically Acquired Gradient Echo (STAGE) at 1.5 T MRI

Maria Marcella Laganà¹, Yongsheng Chen^2,3, Laura Pelizzari^1,4, Pietro Cecconi¹, Francesca Baglio¹, and Mark Haacke^2,3

¹IRCCS Fondazione Don Carlo Gnocchi, Milano, Italy, ²Radiology, Wayne State University, Detroit, MI, United States, ³The MRI Institute for Biomedical Research, Bingham Farms, MI, United States, ⁴Department of Electronics, Information and Bioengineering, Politecnico di Milano, Milan, Italy

Multi-contrast quantitative mapping has become an important research direction for characterizing brain tissue in physiological and pathological conditions. A rapid quantitative mapping acquisition is fundamental for its application in clinical routine. In this study, we adapted the STrategically Acquired Gradient Echo (STAGE) protocol for a clinical 1.5T MRI scanner. Using STAGE, we reconstructed longitudinal and effective transverse relaxation time maps. We obtained values similar to those in the literature in different brain structures with high repeatability. These results suggest that STAGE can be used at 1.5T and provide a variety of quantitative maps with an acquisition time of 7 minutes.

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