467-06-004 ISMRM Abstract

Enhancing Upper Brain B1+ and SAR Efficiency in a 7T Head/Neck RF Coil Using Grounded Copper Rods Terminated by End-Cap

Primary: Physics & Engineering - RF Arrays & Systems

Secondary: Physics & Engineering - High-Field MRI

467-06-004 · RF Arrays and Applications · Tuesday, 12 May, 4:55 PM–5:50 PM · Digital Posters Row H

Keywords: Dipole Array End-Cap Head and C-spine Head neck RF coil Conformal Antennas

Accepted

Farzad Jabbarigargari ^1,2, Georgiy Solomakha³, Markus W May^1,2, Oliver Kraff¹, Nikolai I Avdievich³, Harald H Quick^1,2

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

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

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

Presenting Author: Farzad Jabbarigargari

Synopsis

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References

1. Solomakha GA, et al. “A 16 Channel TxRx Coaxial-End Dipole Array for Combined Head and C-spine MRI at 9.4T”. Proceedings of the Annual Meeting ISMRM-ISMRT, Honolulu, Hawaiʻi, USA, 2025; 1180.

2. Solomakha GA, et al. “Numerical Comparison of TxRx arrays for combined Brain and C-spine MR Imaging at 7T”. ESMRMB, Marseille, France, 2025.

3. May MW, et al. “A patient-friendly 16-channel transmit/64-channel receive coil array for combined head–neck MRI at 7 Tesla”. Magn Reson Med 88 (2022):1419-1433.

4. Baskaran D, et al. “Simultaneous whole‐brain and cervical spine imaging at 7 T using a neurovascular head and neck coil with 8‐channel transceiver array and 56‐channel receiver array”. Magnetic Resonance in Medicine 94.1 (2025): 386-400.

5. Mai DA, Fiedler TM, Knoebel N, et al. “Simulation of an 8-Channel Transmit Meander Stripline Array for Combined Head and Neck Imaging at 7 Tesla MRI”. In: Proc. Intl. Soc. Mag. Reson. Med. 2024:1607.

6. Avdievich N, et al. “Double‐row dipole/loop combined array for human whole brain imaging at 7 T”. NMR in Biomedicine 35.10 (2022): e4773.

7. Kraff O, and Quick HH. “Radiofrequency coils for 7 Tesla MRI”. Topics in Magnetic Resonance Imaging 28.3 (2019): 145-158.

8. Kang C, et al. “Evaluation of MR angiography at 7.0 Tesla MRI using birdcage radio frequency coils with end caps”. Magnetic Resonance in Medicine 60.2 (2008): 330-338.

9. Alecci M, et al. “Theoretical and experimental evaluation of detached endcaps for 3 T birdcage coils”. Magnetic Resonance in Medicine 49.2 (2003): 363-370.

10. Kim, KN, et al. “Analysis of endcap effect for MRI birdcage RF coil by FDTD method”. Journal of the Korean Society of Magnetic Resonance in Medicine (2003): 137-143.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/467-06-004