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Related Experiment Video

Updated: Apr 6, 2026

Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies
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Does ulnar nerve dislocation at the elbow cause neuropathy?

Gregor Omejec1, Simon Podnar1

  • 1Institute of Clinical Neurophysiology, Division of Neurology, University Medical Center, SI-1525, Ljubljana, Slovenia.

Muscle & Nerve
|August 1, 2015
PubMed
Summary
This summary is machine-generated.

Ulnar nerve dislocation is not a primary cause of ulnar neuropathy at the elbow (UNE). However, nerve dislocation may contribute to mild ulnar nerve damage in some cases.

Keywords:
nerve conduction studiesshort segmentulnar nerve dislocationulnar neuropathy at the elbowultrasonography

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Area of Science:

  • Neurology
  • Orthopedics
  • Nerve Conduction Studies

Background:

  • The causal link between ulnar nerve dislocation and ulnar neuropathy at the elbow (UNE) remains unclear.
  • Existing data present conflicting evidence regarding this relationship.

Purpose of the Study:

  • To investigate the role of ulnar nerve dislocation in the pathogenesis of UNE.
  • To determine if nerve dislocation is a cause or contributing factor to UNE.

Main Methods:

  • A study involving 203 UNE patient arms and 49 control arms.
  • Utilized neurologic examination, short-segment nerve conduction studies (SSNCS), and ultrasonography (US).
  • Calculated the frequency of partial and complete ulnar nerve dislocation in all participants.

Main Results:

  • Ulnar nerve dislocation was observed more frequently in controls than in UNE patients (P=0.056).
  • Dislocation was notably common in controls with subclinical UNE.
  • Dislocation was also prevalent in UNE patients with symptoms but normal diagnostic findings.

Conclusions:

  • The findings suggest that ulnar nerve dislocation is unlikely to be a direct cause of UNE.
  • However, the study indicates that nerve dislocation might be associated with mild ulnar nerve damage.