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Abstract #4234

T1 Mapping of the Lungs Using DESPOT1 Approach with 3D Radial UTE Acquisition

L.C. Bell1, K.M. Johnson2, S.B. Fain1, S.J. Kruger1, S.K. Nagle1, 2

1Medical Physics, University of Wisconsin-Madison, Madison, WI, United States; 2Radiology, University of Wisconsin-Madison, Madison, WI, United States

Various techniques currently in place for T1 mapping of the lung parenchyma are limited by the low signal in the lungs. Recent developments have shown that sequences utilizing an ultra-short echo time are capable of acquiring MR signal in small animal lung parenchyma. We propose to use a 3D Radial UTE acquisition in conjunction with DESPOT1 to produce T1 maps of human lung parenchyma with sufficient signal while still maintaining high isotropic spatial resolution for functional and structural analysis.