Improved MR neurography of the brachial plexus using high permittivity pads
Paul de Heer1, Jos Oudeman2, Aart J Nederveen2, and Andrew G Webb1
1CJ Gorter Center, Radiology, Leiden University Medical Center, Leiden, Netherlands, 2Radiology, Amsterdam Medical Center, Amsterdam, Netherlands
Imaging the brachial plexus can be
challenging due to the large variations in the B0 and transmit B1 fields in the
area of the neck and shoulders. These variations can result in poor background tissue
and fat suppression as well as reduction in the received signal from the nerves.
We wanted to study if the application of high permittivity pads could increase signal/contrast
in plexus brachialis imaging. By applying the pads the signal intensity of the
nerves increased from 25 to 50 while the background signal stays similar
resulting in a greater contrast of the brachial plexus.
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