Abstract #1208
High Spatial Resolution MRI of Temporo-Mandibular Joint at 7.0 Tesla Using a Modestly Shaped 8 Channel Transceiver RF Coil Array
Jan Rieger 1 , Claudia Kronnerwetter 2 , Andreas Graessl 3 , Helmar Waiczies 1 , Roman Leicht 1 , Beate Endemann 3 , Siegfried Trattnig 2 , and Thoralf Niendorf 3,4
1
MRI.TOOLS GmbH, Berlin, Berlin, Germany,
2
High
Field MR Centre, Department of Biomedical Imaging und
Image-guided Therapy, Medical University of Vienna,
Vienna, Vienna, Austria,
3
Berlin Ultrahigh
Field Facility (B.U.F.F.), Max-Delbrueck-Center for
Molecular Medicine, Berlin, Berlin, Germany,
4
Experimental
and Clinical Research Center, a joint cooperation
between the Charit Medical Faculty a, Berlin, Berlin,
Germany
Magnetic resonance imaging at 1.5 T and 3.0 T is the
primary modality for the evaluation of the
temporo-mandibular joint (TMJ). It remains challenging
due to subtle anatomical structures and susceptibility
artifacts of inner and middle ear. These constraints
translate into stringent technical requirements for RF
coil design. To advance the capabilities of high spatial
resolution TMJ imaging this study proposes an 8 channel
transmit/receive coil for dedicated MRI of the TMJ. The
RF coil arrays performance and safety are evaluated in
simulations. The RF coils applicability for
sub-millimeter spatial resolution TMJ MRI is examined in
vivo at 7.0 T.
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