Torus-shaped dielectric resonator for 7T musculoskeletal imaging

Bluemink, JJ; Koning, W; Klomp, DW; Kroeze, H; Maderwald, S; Henning, A; Luijten, PR; Lagerdijk, JJW; van den Berg, CAT

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Torus-shaped dielectric resonator for 7T musculoskeletal imaging

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http://www.ismrm.org/12/Session53.htm
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引用

Bluemink, J., Koning, W., Klomp, D., Kroeze, H., Maderwald, S., Henning, A., Luijten, P., Lagerdijk, J., & van den Berg, C. (2012). Torus-shaped dielectric resonator for 7T musculoskeletal imaging. In 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012).

引用: https://hdl.handle.net/11858/00-001M-0000-0013-B756-E

要旨

A torus-shaped dielectric resonator is introduced and a proof of concept is given for imaging at 7T. Due to the relatively high frequency of 300 MHz, water can be used as a dielectric while the torus has practical dimensions. Experimental B1+ patterns show good comparison to those obtained in numerical simulations. In-vivo images of the human calf at 7T are obtained using the torus as a transmit/receive coil.