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- W2182137439 abstract "T MRI neurography: preliminary experience. Purpose. Demonstrate the advantages of the IDEAL (Iterative Decomposition of water and fat with Echo Asymmetry and Least-squares estimation) sequence in the evaluation of peripheral nerves, brachial plexus and lumbar plexus, for the diagnosis of compression or entrapment neu- ropathies, non-entrapment neuropathies, and the underly- ing conditions. The IDEAL sequence provides 4 types of images from a sin- gle acquisition, allowing uniform fat or water suppression and in phase/out of phase images of water, fat or a combina- tion of both. Materials and Methods. This is a retrospective study, from January 2011 to June 2011. Eleven neurographies were performed on 3T MRI (HDX 3T, GE Healthcare, USA), with 8-channel phased array coils on sagittal and coronal planes, with 1.2-0 mm slices with no gap, axial 3D spoiled gradient recalled (SPGR) T , with 1-0-mm slice thickness with and without gadolinium injection and variable field of view (FOV) according to the nerve or plexus to explore. Results. We found 2 schwannomas (brachial plexus and sciatic nerve), 1 neuritis (compression to median nerve), 2 cases of multiple neurofibromas (lumbosacral plexus, sciatic nerve, brachial plexus), 3 traumatic neuromas (peroneal nerve) and 1 pseudomeningocele avulsion (brachial plexus), and 2 with no structural alterations (lumbosacral plexus and peroneal nerve). Conclusion. In this preliminary experience, the use of high- resolution sequences in magnetic resonance imaging neu- rography studies provided excellent signal homogeneity, improving the recognition of the nerve structure and signal, the identification of anatomical variations, and causes of neuropathy, as well as the characterization of denervation changes of the affected muscle groups. Keywords. Neurography. Peripheral nerves. Plexus. Neuropathy. Magnetic resonance." @default.
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- W2182137439 date "2012-01-01" @default.
- W2182137439 modified "2023-10-17" @default.
- W2182137439 title "3T Magnetic Resonance Neurography: preliminary experience" @default.
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