Document Type

Article

Publication Date

10-1-2012

Comments

This article has been peer reviewed. It is the authors' final version prior to publication in Orthopedic Clinics of North America

Volume 43, Issue 4, October 2012, Pages 467-474.

The published version is available at DOI: 10.1016/j.ocl.2012.07.016. Copyright © Elsevier Inc.

Abstract

Ulnar tunnel syndrome could be broadly defined as a compressive neuropathy of the ulnar nerve at the level of the wrist. The ulnar tunnel, or Guyon's canal, has a complex and variable anatomy. Various factors may precipitate the onset of ulnar tunnel syndrome. Patient presentation depends on the anatomic zone of ulnar nerve compression: zone I compression, motor and sensory signs and symptoms; zone II compression, isolated motor deficits; and zone III compression; purely sensory deficits. Conservative treatment such as activity modification may be helpful, but often, surgical exploration of the ulnar tunnel with subsequent ulnar nerve decompression is indicated.

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