Where is the most common site of ulnar nerve entrapment?

Updated: Jun 08, 2018
  • Author: Charles F Guardia, III, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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The most common site of ulnar nerve entrapment is at or near the elbow region, especially in the region of the cubital tunnel [5] or in the epicondylar (ulnar) groove; the second most likely site is at or near the wrist, especially in the area of the anatomic structure called the canal of Guyon. [1, 6, 7, 8] However, entrapment can also occur in the forearm between these two regions, below the wrist within the hand, or above the elbow.

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