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Achieva 3.0T TX MR neurography of elbow nerves - Shandong MIRI

Wang, Guangbin, M.D., Ph.D. Shandong Medical Imaging Reseach Institute • China, People's Republic of
Chen, Weibo, M.D. Philips • China, People's Republic of

Download ExamCard Achieva 3.0T TX R5.1.7 MR neurography Elbow 
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ExamCard purpose

This Release 5.1.7 ExamCard is created on Achieva 3.0T TX for diffusion weighted MR Neurography (DW-MRN) to display extremity nerves. In this case the elbow.


DW-MRN is based on DWIBS (diffusion-weighted whole-body imaging with background body signal suppression). The major advantages of DW-MRN are high conspicuity between the nerves and surrounding structures and the 3D reformatting capability for visualization of the long trajectories of extremity nerves.

ExamCard overview


Click on image to enlarge

upper extremities Scan time 3.54 min.<br>
TR 9000 ms<br>
TE 86 ms<br>
Voxels 2.5 x 2.5 x 3.00 mm
FOV 180 x 180 x 240 mm<br>T1W TSE Scan time 2:42 min.<br>
TR 550 ms<br>
TE20 ms<br>
Voxels 0.42 x 0.51 x 3.5 mm
FOV 120 x 120 x 156 mm<br>T2W SPAIR Scan time 4:12 min.<br>
TR 3000 ms<br>
TE 55 ms<br>
Voxels 0.56 x 0.74 x 3.5 mm
FOV 120 x 120 x 156 mm<br>
upper extremities
Scan time 3.54 min.
TR 9000 ms
TE 86 ms
Voxels 2.5 x 2.5 x 3.00 mm FOV 180 x 180 x 240 mm
Scan time 2:42 min.
TR 550 ms
TE20 ms
Voxels 0.42 x 0.51 x 3.5 mm FOV 120 x 120 x 156 mm
Scan time 4:12 min.
TR 3000 ms
TE 55 ms
Voxels 0.56 x 0.74 x 3.5 mm FOV 120 x 120 x 156 mm

Patient preparation

A SENSE Flex L coil is used. The patient is positioned head-first, unilateral imaging.


Postprocessing of MRN data is performed using the full-volume MIP reconstruction and volume editing. Volume editing allows removal of superimposed structures with similar hyperintensity, such as veins and articular fluids, for good visualization of the nerves and lesions. In particular, the removal of superimposed structures is performed on full-volume MIP images, which are reformatted from the entire axial source diffusion-weighted MRN images.

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Feb 12, 2015

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Achieva 3.0T TX
Release 5
DWIBS, Elbow, MR neurography, MultiTransmit, Neuro, SENSE Flex L coil

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