As flexible form-fitting RF coils can provide enhanced receive sensitivity in MRI, various coil design approaches have been studied recently, including coaxial and stranded wire coil elements. While stranded wire coils are electrically identical to conventional rigid copper loop coils, coaxial transmission line resonators are self-resonant and do not require additional components along the conductor. The goal of this work was to compare flexible receive-only stranded wire coils and coaxial coils in terms of Q-factors, inter-element coupling, noise correlation, and SNR.
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