% IMPORTANT: The following is UTF-8 encoded. This means that in the presence
% of non-ASCII characters, it will not work with BibTeX 0.99 or older.
% Instead, you should use an up-to-date BibTeX implementation like “bibtex8” or
% “biber”.
@ARTICLE{Rietsch:181312,
author = {S. H. G. Rietsch and V. Pfaffenrot and A. K. Bitz and S.
Orzada and S. Brunheim and A. Lazik-Palm and J. M. Theysohn
and M. E. Ladd$^*$ and H. H. Quick and O. Kraff},
title = {{A}n 8-channel transceiver 7-channel receive {RF} coil
setup for high {SNR} ultrahigh-field {MRI} of the shoulder
at 7{T}.},
journal = {Medical physics},
volume = {44},
number = {12},
issn = {0094-2405},
address = {College Park, Md.},
publisher = {AAPM},
reportid = {DKFZ-2022-01939},
pages = {6195 - 6208},
year = {2017},
abstract = {In this work, we present an 8-channel transceiver (Tx/Rx)
7-channel receive (Rx) radiofrequency (RF) coil setup for 7
T ultrahigh-field MR imaging of the shoulder.A C-shaped
8-channel Tx/Rx coil was combined with an anatomically
close-fitting 7-channel Rx-only coil. The safety and
performance parameters of this coil setup were evaluated on
the bench and in phantom experiments. The 7 T MR imaging
performance of the shoulder RF coil setup was evaluated in
in vivo measurements using a 3D DESS, a 2D PD-weighted TSE
sequence, and safety supervision based on virtual
observation points.Distinct SNR gain and acceleration
capabilities provided by the additional 7-channel Rx-only
coil were demonstrated in phantom and in vivo measurements.
The power efficiency indicated good performance of each
channel and a maximum B1+ of 19 μT if the hardware RF power
limits of the MR system were exploited. MR imaging of the
shoulder was demonstrated with clinically excellent image
quality and submillimeter spatial resolution.The presented
8-channel transceiver 7-channel receive RF coil setup was
successfully applied for in vivo 7 T MRI of the shoulder
providing a clear SNR gain vs the transceiver array without
the additional receive array. Homogeneous images across the
shoulder region were obtained using 8-channel
subject-specific phase-only RF shimming.},
keywords = {Humans / Magnetic Resonance Imaging: instrumentation /
Phantoms, Imaging / Radio Waves / Shoulder: diagnostic
imaging / Signal-To-Noise Ratio / 7 Tesla (7T) (Other) / RF
antenna array (Other) / radio frequency (RF) (Other) /
shoulder (Other) / ultrahigh-field MRI (Other)},
cin = {E020},
ddc = {610},
cid = {I:(DE-He78)E020-20160331},
pnm = {315 - Imaging and radiooncology (POF3-315)},
pid = {G:(DE-HGF)POF3-315},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:28976586},
doi = {10.1002/mp.12612},
url = {https://inrepo02.dkfz.de/record/181312},
}