MR imaging of the major nerves about the elbow: cadaveric study examining the effect of flexion and extension of the elbow and pronation and supination of the forearm |
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Authors: | Young Sook Kim Lee Ren Yeh Debra Trudell D Resnick |
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Institution: | (1) Department of Radiology (114), Veterans Administration Medical Center, 3350 La Jolla Village Drive, San Diego, CA 92161, USA, US |
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Abstract: | Magnetic resonance (MR) imaging provides useful information in the evaluation of peripheral nerves. Recent advances in MR
imaging allow for detailed depiction of the soft tissue structures of the elbow joint. Three major nerves are present about
the elbow. Six cadaveric elbows were imaged to depict the normal anatomy of these nerves and to determine the best plane and
position of the elbow for optimal visualization of each nerve. Axial images of the elbow in full extension with the forearm
in supination allow identification of all major nerves. Axial images with the elbow in full flexion allow accurate assessment
of the cubital tunnel and the ulner nerve. Axial images of the elbow in full extension with the forearm in pronation are helpful
for assessment of the median and radial nerves in the forearm. |
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Keywords: | Elbow nerves Elbow MR imaging |
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