469-05-009 ISMRM Abstract

Subject-Specific Voxel Model for Assessing the Impact of B1- Correction on aTSC in Quantitative 23Na MRI at 7T

Primary: Contrast Mechanisms - Non-Proton

Secondary: Physics & Engineering - In Silico

469-05-009 · Non-Proton MRI: Methods and Applications · Tuesday, 12 May, 4:00 PM–4:55 PM · Digital Posters Row J

Keywords: X-nuclei 7 Tesla Electromagnetic simulations Sodium MRI Apparent tissue sodium concentration (aTSC)

Accepted

Jana Losch ^1,2, Thomas M Fiedler^1,3,4,5, Anna K Scheipers¹, Armin M NAGEL^1,6, Mark E Ladd^1,2,5, Tanja Platt¹

¹Medical Physics in Radiology, German Cancer Research Center (DKFZ), Heidelberg, Germany

²Faculty of Physics and Astronomy, Heidelberg University, Heidelberg, Germany

³Department of Radiation Oncology, Heidelberg University Hospital, Heidelberg, Germany

⁴Clinical Cooperation Unit Radiation Oncology, German Cancer Research Center (DKFZ), Heidelberg, Germany

⁵Faculty of Medicine, Heidelberg University, Heidelberg, Germany

⁶Institute of Radiology, Uniklinikum Erlangen, Erlangen, Germany

Presenting Author: Jana Losch

Synopsis

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References

1. Losch J, Scheipers AK, Grimm JA, et al. Quantification of Apparent Tissue Sodium Concentration (aTSC) in the Healthy Liver via 23Na and 1H MRI at 7T. In: Proc. ISMRM 33: 1732 (2025)

2. Scheipers AK, Grimm JA, Losch J, et al. Quantitative abdominal sodium MRI combined with 32‐channel proton pTx MRI at 7 Tesla in a large field‐of‐view. Magnetic Resonance in Medicine. (2025) https://doi.org/10.1002/mrm.27103 [doi]

3. Felz J, Kratzer FJ, Nagel AM, et al. Development of a Pulse Sequence with Alternating Excitation for Respiratory-Sorted B1+ and B0 Field Mapping in 23Na Human Torso MRI. In: Proc. Intl. Soc. Mag. Reson. Med. 31: 3041 (2023)

4. Orzada S, Solbach K, Gratz M, Brunheim S, et al. A 32-channel parallel transmit system add-on for 7T MRI. Plos one, 14(9) (2019) https://doi.org/10.1371/journal.pone.0222452 [doi]

5. CST Studio Suite 2021, Dassault Systèmes, Vélizy-Villacoublay, France

6. Platt T, Umathum R, Fiedler T, et al. In vivo self-gated 23Na MRI at 7T using an oval-shaped body resonator. Magn. Reson. Med. 2018;80:1005–1019 (2018) https://doi.org/10.1002/mrm.27103 [doi]

7. Christ A, Kainz W, Hahn EG, et al. The Virtual Family—development of surface-based anatomical models of two adults and two children for dosimetric simulations. Physics in Medicine & Biology, 55(2), N23 (2009) https://doi.org/10.1088/0031-9155/55/2/N01 [doi]

8. MITK v2024.12 German Cancer Research Center, Heidelberg, Germany

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/469-05-009