Which finding on high-resolution ultrasonography suggests cubital tunnel 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

Using high-resolution ultrasonography, Chiou et al found that the mean value of the area of the ulnar nerve at the level of the medial epicondyle in symptomatic patients was significantly larger than that of the control group and that of the unaffected, contralateral side. [119] They concluded that if the area of the ulnar nerve was greater than 0.075 cm2, at the level of the medial epicondyle, the patient probably had cubital tunnel syndrome.


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