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Br J Radiol. 2019 Feb;92(1094):20180757. doi: 10.1259/bjr.20180757. Epub 2018 Nov 1.

Imaging appearance following surgical decompression of the ulnar nerve.

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1 Department of Radiology, University of Michigan, Musculoskeletal Imaging , Ann Arbor, MI , USA.
2 Department of Neurosurgery, University of Michigan , Ann Arbor, MI , USA.


Ulnar neuropathy at the elbow is the second most common entrapment neuropathy of the upper extremity. Yet, there is a paucity of literature focusing on the imaging appearance following surgical decompression of the ulnar nerve at the elbow. Diagnostic imaging studies obtained after surgical decompression at The University of Michigan were reviewed and imaging findings were documented. We aim to describe the various techniques of ulnar nerve decompression and corresponding post-operative appearance on imaging. Potential complications following decompression will also be described with imaging and clinical correlation of recalcitrant ulnar neuropathy. It is important for the radiologist who performs MRI or ultrasound of the elbow to be aware of the various ulnar nerve decompression procedures. This knowledge will facilitate rapid and accurate diagnosis of normal and abnormal appearance of the ulnar nerve in this context.

[Available on 2020-02-01]
[Indexed for MEDLINE]

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