Abstract #1032

Characterization of Abdominal Neoplasms using a Fast Inversion Recovery Radial SSFP T1 Mapping Technique

Mahesh Bharath Keerthivasan¹, Zhitao Li¹, Jean-Philippe Galons¹, Kevin Johnson¹, Bobby Kalb¹, Diego R Martin¹, Ali Bilgin^1,2,3, and Maria I Altbach¹

¹Medical Imaging, University of Arizona, Tucson, AZ, United States, ²Biomedical Engineering, University of Arizona, Tucson, AZ, United States, ³Electrical and Computer Engineering, University of Arizona, Tucson, AZ, United States

We present a rapid technique for high-resolution multi-slice T1 mapping of the abdomen using the inversion recovery radial steady-state free-precision (IR-radSSFP) pulse sequence. We propose a joint two-component fit to estimate accurate T1 maps in the presence of partial volume. The utility of the sequence has been demonstrated for the characterization of abdominal neoplasms using data acquired on 22 clinical patients.

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