A 16‐channel combined loop‐dipole transceiver array for 7 Tesla body MRI

To develop a 16‐channel transceive body imaging array at 7.0 T with improved transmit, receive, and specific absorption rate (SAR) performance by combining both loop and dipole elements and using their respective and complementary near and far field characteristics.

[1]  P. Luijten,et al.  Dipole antennas for ultrahigh‐field body imaging: a comparison with loop coils , 2016, NMR in biomedicine.

[2]  Dirk Voit,et al.  16‐channel bow tie antenna transceiver array for cardiac MR at 7.0 tesla , 2016, Magnetic resonance in medicine.

[3]  G. Metzger,et al.  Development and evaluation of a multichannel endorectal RF coil for prostate MRI at 7T in combination with an external surface array , 2016, Journal of magnetic resonance imaging : JMRI.

[4]  Patrick McDaniel,et al.  General design approach and practical realization of decoupling matrices for parallel transmission coils , 2016, Magnetic resonance in medicine.

[5]  Peter R Luijten,et al.  The fractionated dipole antenna: A new antenna for body imaging at 7 Tesla , 2016, Magnetic resonance in medicine.

[6]  Hellmut Merkle,et al.  A 7T spine array based on electric dipole transmitters , 2015, Magnetic resonance in medicine.

[7]  Thoralf Niendorf,et al.  Modular 32‐channel transceiver coil array for cardiac MRI at 7.0T , 2014, Magnetic resonance in medicine.

[8]  Anand Gopinath,et al.  RF Head Coil Design With Improved RF Magnetic Near-Fields Uniformity for Magnetic Resonance Imaging (MRI) Systems , 2014, IEEE Transactions on Microwave Theory and Techniques.

[9]  Baris Turkbey,et al.  Comparison of endorectal coil and nonendorectal coil T2W and diffusion‐weighted MRI at 3 Tesla for localizing prostate cancer: Correlation with whole‐mount histopathology , 2014, Journal of magnetic resonance imaging : JMRI.

[10]  Josef Pfeuffer,et al.  Seven-Tesla Time-of-Flight Angiography Using a 16-Channel Parallel Transmit System With Power-Constrained 3-dimensional Spoke Radiofrequency Pulse Design , 2014, Investigative radiology.

[11]  Emanuele Schiavi,et al.  SAR reduction in 7T C‐spine imaging using a “dark modes” transmit array strategy , 2014, Magnetic resonance in medicine.

[12]  Kâmil Uğurbil,et al.  Cerebral TOF angiography at 7T: Impact of B1+ shimming with a 16‐channel transceiver array , 2014, Magnetic resonance in medicine.

[13]  Dingxin Wang,et al.  Cardiac imaging at 7 tesla: Single‐ and two‐spoke radiofrequency pulse design with 16‐channel parallel excitation , 2013, Magnetic resonance in medicine.

[14]  Cornelis A T van den Berg,et al.  Specific absorption rate intersubject variability in 7T parallel transmit MRI of the head , 2013, Magnetic resonance in medicine.

[15]  Danilo Erricolo,et al.  An Approach to Rapid Calculation of Temperature Change in Tissue Using Spatial Filters to Approximate Effects of Thermal Conduction , 2013, IEEE Transactions on Biomedical Engineering.

[16]  Thoralf Niendorf,et al.  Two‐Dimensional sixteen channel transmit/receive coil array for cardiac MRI at 7.0 T: Design, evaluation, and application , 2012, Journal of magnetic resonance imaging : JMRI.

[17]  D. Sodickson,et al.  Ideal current patterns yielding optimal signal‐to‐noise ratio and specific absorption rate in magnetic resonance imaging: Computational methods and physical insights , 2012, Magnetic resonance in medicine.

[18]  Thoralf Niendorf,et al.  Comparison of three multichannel transmit/receive radiofrequency coil configurations for anatomic and functional cardiac MRI at 7.0T: implications for clinical imaging , 2012, European Radiology.

[19]  K Ugurbil,et al.  Comparison between eight‐ and sixteen‐channel TEM transceive arrays for body imaging at 7 T , 2012, Magnetic resonance in medicine.

[20]  C A T van den Berg,et al.  Characterization of transceive surface element designs for 7 tesla magnetic resonance imaging of the prostate: radiative antenna and microstrip , 2012, Physics in medicine and biology.

[21]  D Le Bihan,et al.  kT‐points: Short three‐dimensional tailored RF pulses for flip‐angle homogenization over an extended volume , 2012, Magnetic resonance in medicine.

[22]  C A T van den Berg,et al.  Design of a radiative surface coil array element at 7 T: The single‐side adapted dipole antenna , 2011, Magnetic resonance in medicine.

[23]  Gabriele Eichfelder,et al.  Local specific absorption rate control for parallel transmission by virtual observation points , 2011, Magnetic resonance in medicine.

[24]  Steen Moeller,et al.  Performance of external and internal coil configurations for prostate investigations at 7 T , 2010, Magnetic resonance in medicine.

[25]  Niels Kuster,et al.  The Virtual Family—development of surface-based anatomical models of two adults and two children for dosimetric simulations , 2010, Physics in medicine and biology.

[26]  J. Lagendijk,et al.  SAR and power implications of different RF shimming strategies in the pelvis for 7T MRI , 2009, Journal of magnetic resonance imaging : JMRI.

[27]  D. Sodickson,et al.  Electrodynamic constraints on homogeneity and radiofrequency power deposition in multiple coil excitations , 2009, Magnetic resonance in medicine.

[28]  Peter Andersen,et al.  Whole‐body imaging at 7T: Preliminary results , 2009, Magnetic resonance in medicine.

[29]  Vivek K Goyal,et al.  Fast Slice-selective Radio-frequency Excitation Pulses for Mitigating B 1 ؉ Inhomogeneity in the Human Brain at 7 Tesla , 2022 .

[30]  G. Metzger,et al.  Local B1+ shimming for prostate imaging with transceiver arrays at 7T based on subject‐dependent transmit phase measurements , 2008, Magnetic resonance in medicine.

[31]  Vasily L Yarnykh,et al.  Actual flip‐angle imaging in the pulsed steady state: A method for rapid three‐dimensional mapping of the transmitted radiofrequency field , 2007, Magnetic resonance in medicine.

[32]  K. Uğurbil,et al.  Transmit and receive transmission line arrays for 7 Tesla parallel imaging , 2005, Magnetic resonance in medicine.

[33]  Ray F. Lee,et al.  Coupling and decoupling theory and its application to the MRI phased array , 2002, Magnetic resonance in medicine.

[34]  T. Ibrahim,et al.  Dielectric resonances and B(1) field inhomogeneity in UHFMRI: computational analysis and experimental findings. , 2001, Magnetic resonance imaging.

[35]  D. Hoult Sensitivity and Power Deposition in a High‐Field Imaging Experiment , 2000, Journal of magnetic resonance imaging : JMRI.

[36]  Ravi S. Menon,et al.  A transmit‐only/receive‐only (TORO) RF system for high‐field MRI/MRS applications , 2000, Magnetic resonance in medicine.

[37]  P. Boesiger,et al.  SENSE: Sensitivity encoding for fast MRI , 1999, Magnetic resonance in medicine.

[38]  J W Carlson,et al.  Electromagnetic fields of surface coil in vivo NMR at high frequencies , 1991, Magnetic resonance in medicine.

[39]  W. Edelstein,et al.  The intrinsic signal‐to‐noise ratio in NMR imaging , 1986, Magnetic resonance in medicine.

[40]  W. Barber,et al.  Comparison of linear and circular polarization for magnetic resonance imaging , 1985 .

[41]  P A Bottomley,et al.  RF magnetic field penetration, phase shift and power dissipation in biological tissue: implications for NMR imaging. , 1978, Physics in medicine and biology.

[42]  L. Wald,et al.  Combined loop + dipole arrays for 7 T brain imaging , 2013 .

[43]  Gillian Haemer,et al.  Mixing loops and electric dipole antennas for increased sensitivity at 7 Tesla , 2012 .