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Related Experiment Video

Updated: Aug 5, 2025

Screening of Axonal Degeneration in Carpal Tunnel Syndrome Using Ultrasonography and Nerve Conduction Studies
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Multimodality imaging review of ulnar nerve pathologies.

Ranjit Kumar Chaudhary1, Nikitha Karkala2, Pankaj Nepal3

  • 1Department of Radiology, St. Vincent's Medical Center, Bridgeport, CT, USA.

The Neuroradiology Journal
|March 24, 2023
PubMed
Summary

Ulnar neuropathy, a common nerve entrapment, is increasingly diagnosed using advanced imaging like MRI and high-resolution ultrasonography. These techniques help identify nerve compression and guide effective treatment strategies.

Keywords:
Ulnar neuropathyhypothenar hammer syndromemagnetic resonance neurographyperipheral nerve ultrasoundsnapping triceps syndromeulnar nerve imagingulnar nerve leprosy

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Area of Science:

  • Neurology
  • Radiology
  • Nerve Imaging

Background:

  • Ulnar neuropathy is the second most common nerve entrapment after median nerve issues.
  • Clinical and electrodiagnostic methods are standard, but imaging is advancing management.
  • Understanding normal ulnar nerve anatomy is key to diagnosing pathology.

Purpose of the Study:

  • To highlight the role of advanced imaging in evaluating ulnar neuropathy.
  • To discuss key anatomical sites prone to ulnar nerve compression.
  • To review conditions predisposing to ulnar neuropathy.

Main Methods:

  • High-resolution ultrasonography for dynamic evaluation.
  • Magnetic Resonance Imaging (MRI) for superior resolution.
  • Review of anatomical sites like cubital tunnel and Guyon's canal.

Main Results:

  • Imaging aids in differentiating normal nerves from pathological conditions.
  • MRI is considered more reliable than ultrasonography for detailed assessment.
  • Various conditions, including tumors and inflammatory diseases, can cause ulnar neuropathy.

Conclusions:

  • Advanced imaging, particularly MRI, is crucial for diagnosing and managing ulnar neuropathy.
  • High-resolution ultrasonography is valuable for initial and dynamic assessments.
  • Emerging techniques show promise but are not yet standard practice.