467-02-007 ISMRM Abstract

Correcting B1-Induced Errors in RADTSE T2 Mapping: Validation and a Novel Simultaneous Acquisition (RADTSE-DAM)

Primary: Acquisition & Reconstruction - Artifacts and Correction Strategies

Secondary: Acquisition & Reconstruction - Quantitative Imaging: chest, abdomen, and pelvis

467-02-007 · Quantitative Pelvic, Thorax, and Abdomen · Tuesday, 12 May, 9:15 AM–10:10 AM · Digital Posters Row H

Keywords: Quantitative MRI B1 Mapping T2 mapping B1 correction Body MRI

Accepted

Brian P Toner ¹, Ute Goerke², Eze Ahanonu³, Kevin Johnson⁴, Fei Han⁵, Vibhas Deshpande⁶, Holden H Wu^7,8, Ali Bilgin^1,3,4,9, Maria Altbach^4,9

¹Applied Mathematics, University of Arizona, Tucson, United States of America

²Siemens Medical Solutions, Tucson, United States of America

³Electrical and Computer Engineering, University of Arizona, Tucson, United States of America

⁴Radiology and Imaging Science, University of Arizona, Tucson, United States of America

⁵Siemens Medical Solutions, Los Angeles, United States of America

⁶Siemens Medical Solutions, Austin, United States of America

⁷Radiological Sciences, University of California Los Angeles, Los Angeles, United States of America

⁸Bioengineering, University of California Los Angeles, Los Angeles, United States of America

⁹Biomedical Engineering, University of Arizona, Tucson, United States of America

Presenting Author: Brian P Toner

Synopsis

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References

1. Altbach M, Bilgin A, Li Z, et al. Processing of radial fast spin-echo data for obtaining T2 estimates from a single k-space data set. Magnetic Resonance in Medicine. 2005;54:549-559.

2. Huang C, Graff CG, Clarkson EW, et al. T2 mapping from highly undersampled data by reconstruction of principal component coefficient maps using compressed sensing. Magnetic Resonance in Medicine. 2012;67:1355-1366.

3. Huang C, Altbach M, Fakhri G. Pattern recognition for rapid T2 mapping with stimulated echo compensation in MRI: Rationale and an iterative solution. Magnetic Resonance Imaging. 2014;32:969-974.

4. Keerthivasan M, Galons JP, Johnson K, et al. Abdominal T2-weighted imaging and T2 mapping using a variable flip angle radial turbo spin-echo technique. Journal of Magnetic Resonance Imaging. 2022;55:289-300.

5. Toner B, Arberet S, Zhang S, et al. Accelerated free-breathing abdominal T2 mapping with deep learning reconstruction of radial turbo spin-echo data. Magnetic Resonance in Medicine. 2025;94(6):2475-2491.

6. Lebel M, Wilman A. Transverse relaxometry with stimulated echo compensation. Magnetic Resonance in Medicine. 2010;64(4):1005-1014.

7. Roberts NT, Hinshaw LA, Colgan TJ, et al. B0 and B1 inhomogeneities in the liver at 1.5T and 3.0T. Magnetic Resonance in Medicine. 2021;85(4):2212-2220.

8. Chung S, Kim D, Breton E, et al. Rapid B1+ mapping using a preconditioning RF pulse with turboFLASH readout. Magnetic Resonance in Medicine. 2010;64(2):439-446.

9. Fessler JA and Sutton BP. Nonuniform fast Fourier transforms using min-max interpolation. IEEE Transactions on Signal Processing. 2003;51(2):560-574.

10. Pineda N, Sharma P, Xu Q, et al. Measurement of hepatic lipid: high-speed T2-corrected multiecho acquisition at 1H MR spectroscopy—a rapid and accurate technique. Radiology. 2009;252(2):568-576.

11. Stollberger R and Wach P. Imaging of the active B1 field in vivo. Magnetic Resonance in Medicine. 1996;35(2):246-251.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/467-02-007