• Semin Musculoskelet Radiol · Nov 2010

    Review

    Entrapment neuropathies I: upper limb (carpal tunnel excluded).

    • Jon A Jacobson, David P Fessell, Lucas Da Gama Lobo, and Lynda J-S Yang.
    • Division of Musculoskeletal Radiology, Department of Radiology, University of Michigan, 1500 East Medical Center Drive, Ann Arbor, MI 48109-0326, USA. jjacobsn@umich.edu
    • Semin Musculoskelet Radiol. 2010 Nov 1; 14 (5): 473-86.

    AbstractSeveral entrapment neuropathies of the upper extremity can cause hypoechoic swelling and nerve compression as seen at ultrasound. The ulnar nerve can be compressed at the cubital tunnel of the elbow and Guyon's canal at the wrist. The deep branch of the radial nerve can be compressed at the supinator muscle at the elbow, and the superficial radial nerve may be compressed at the dorsal wrist (Wartenberg's syndrome). In addition to compression at the carpal tunnel, the median nerve may be compressed at the elbow, related to a supracondylar process or by the pronator teres. Knowledge of these key anatomical sites of potential nerve compression is essential for accurate diagnosis of entrapment neuropathies.© Thieme Medical Publishers.

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