451-01-014 / 451-01-014 ISMRM Abstract

An 8-channel transceiver array for pTx MRI of the knee at 7T

Primary: Physics & Engineering - RF Arrays & Systems

Secondary: Physics & Engineering - High-Field MRI

451-01-014 · Parallel Transmission at High Fields · Tuesday, 12 May, 8:20 AM–9:56 AM · Power Pitch Theatre 1

Keywords: High-Field MRI MSK RF Arrays & Systems PTx Knee

Accepted

Laia Sulaiman^1,2, Oliver Kraff ¹, Georgiy Solomakha^3,4, Carolin Stevens¹, Kim Jotzo¹, Farzad Jabbarigargari^1,2, Fabian Bräuer^1,2, Celina Kersting^1,2, Annika Verheyen¹, Nikolai I Avdievich^3,4, Klaus Scheffler^3,4, Harald H Quick^1,2, Markus W May^1,2

¹Erwin L. Hahn Institute for MRI, University Duisburg-Essen, Essen, Germany

²High-Field and Hybrid MR Imaging, University Hospital Essen, Essen, Germany

³Department for High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Tübingen, Germany

⁴Department for Biomedical Magnetic Resonance, University of Tübingen, Tübingen, Germany

Presenting Author: Oliver Kraff

Synopsis

Motivation:

Goals:

Approach:

Results:

Full abstract & presentation

The full text, figures, and any recorded presentation for this abstract are not shown here. Log in if you are a member or registered attendee with access.

Full abstracts, figures, and presentations for Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition are available to registered attendees. This content becomes freely available to the public roughly two years after the meeting.

To request or purchase access, contact the ISMRM Central Office at info@ismrm.org.

References

1. Pazahr, S., Nanz, D. & Sutter, R. 7 T Musculoskeletal MRI: Fundamentals and Clinical Implementation. Investigative radiology 58, 88-98 (2023). https://doi.org/10.1097/RLI.0000000000000896 [doi]

2. Fagan, A. J., et al. Use of passive B1+ shimming via dielectric pads for uniformity improvements in 7T clinical knee imaging. Proceedings ISMRM 2019. #1430.

3. Jacobs, P. S., Brink, W. & Reddy, R. A review of recent developments and applications of high-permittivity dielectric shimming in magnetic resonance. NMR in biomedicine, e5094 (2024). https://doi.org/10.1002/nbm.5094 [doi]

4. Tomi-Tricot, R., et al. Fully integrated scanner implamentation of direct signal control for 2D T2-weighted TSE at ultra-high fields. Proceedings ISMRM 2021. #621.

5. Malik, S. J., et al. Direct signal control of the steady-state response of 3D-FSE sequences. Magnetic resonance in medicine 73, 951-963 (2015). https://doi.org/10.1002/mrm.25192 [doi]

6. Jin, J., et al. An open 8-channel parallel transmission coil for static and dynamic 7T MRI of the knee and ankle joints at multiple postures. Magnetic resonance in medicine 79, 1804-1816 (2018). https://doi.org/10.1002/mrm.26804 [doi]

7. Avdievich, N. I., et al. A 32-element loop/dipole hybrid array for human head imaging at 7 T. Magnetic resonance in medicine 88, 1912-1926 (2022). https://doi.org/10.1002/mrm.29347 [doi]

8. Solomakha, G. A., et al. Evaluation of coaxial dipole antennas as transceiver elements of human head array for ultra-high field MRI at 9.4T. Magnetic resonance in medicine 91, 1268-1280 (2024). https://doi.org/10.1002/mrm.29941 [doi]

9. Solomakha, G. A., et al. A 16 Channel TxRx Coaxial-End Dipole Array for Combined Head and C-spine MRI at 9.4T. Proceedings ISMRM 2025. #1180.

10. Yarnykh, V. L. Actual flip-angle imaging in the pulsed steady state: a method for rapid three-dimensional mapping of the transmitted radiofrequency field. Magnetic resonance in medicine 57, 192-200 (2007). https://doi.org/10.1002/mrm.21120 [doi]

11. Orzada, S., et al. RF excitation using time interleaved acquisition of modes (TIAMO) to address B1 inhomogeneity in high-field MRI. Magnetic resonance in medicine 64, 327-333 (2010). https://doi.org/10.1002/mrm.22527 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/451-01-014