What are the limitations of MRI in the workup of ulnar neuropathy?

Updated: Jun 08, 2018
  • Author: Charles F Guardia, III, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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Answer

These seemingly positive results notwithstanding, some caveats remain. First, criteria for diagnosing neuropathy on MRI scans are not well defined. Second, the clinical significance of certain MRI findings has been questioned. Husarik et al performed MRI elbow scans in 60 asymptomatic patients and found that 60% had increased ulnar-nerve signal intensity without concomitant changes in their medial or radial nerves. This study suggests that increased signal intensity should not be the sole criterion in evaluation for possible ulnar neuropathy. [128]


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