ArticleMagnetic resonance in medicine2019
A dual-tuned multichannel bilateral RF coil for
Article in Magnetic resonance in medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Dual-tuned floating solenoid balun for multi-nuclear MRI and MRS.Magnetic resonance imaging · 2025Article
- Frequency-independent dual-tuned cable traps for multi-nuclear MRI and MRS.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2024Article
- Overview and progress of X-nuclei magnetic resonance imaging in biomedical studies.Magnetic resonance letters · 2023Review
- Interleaved and simultaneous multi-nuclear magnetic resonance in vivo. Review of principles, applications and potential.NMR in biomedicine · 2022Review
- AJournal of magnetic resonance (San Diego, Calif. : 1997) · 2022Article
- Dual-Tuned Lattice Balun for Multi-Nuclear MRI and MRS.IEEE transactions on medical imaging · 2022Article
- A radially interleaved sodium and proton coil array for brain MRI at 7 T.NMR in biomedicine · 2021Article
- Frontiers of Sodium MRI Revisited: From Cartilage to Brain Imaging.Journal of magnetic resonance imaging : JMRI · 2021Review
- Multinuclear MRI to disentangle intracellular sodium concentration and extracellular volume fraction in breast cancer.Scientific reports · 2021Article
- Uncompromised MRI of knee cartilage while incorporating sensitive sodium MRI.NMR in biomedicine · 2019Article
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Authors and funding
4 authors.
Funding
Abstract
purposeSodium MRI has shown promise for monitoring neoadjuvant chemotherapy response in breast cancer. The purpose of this work was to build a dual-tuned bilateral proton/sodium breast coil for 7T MRI that provides sufficient SNR to enable sodium breast imaging in less than 10 minutes.
methodsThe proton/sodium coil consists of 2 shielded unilateral units: 1 for each breast. Each unit consists of 3 nested layers: (1) a 3-loop solenoid for sodium excitation, (2) a 3-loop solenoid for proton excitation and signal reception, and (3) a 4-channel receive array for sodium signal reception. Benchmark measurements were performed in phantoms with and without the sodium receive array insert. In vivo images were acquired on a healthy volunteer.
resultsThe sodium receive array boosted 1.5 to 3 times the SNR compared with the solenoid. Proton SNR loss due to residual interaction with the sodium array was less than 10%. The coil enabled sodium imaging in vivo with 2.8-mm isotropic nominal resolution (~5-mm real resolution) in 9:36 minutes.
conclusionThe coil design that we propose addresses challenges associated with sodium's low SNR from a hardware perspective and offers the opportunity to investigate noninvasively breast tumor metabolism as a function of sodium concentration in patients undergoing neoadjuvant chemotherapy.
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