What does an ultrasound finding of increased intraneural vascularization suggest in the evaluation 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

A small study suggested that using a ratio of the cross-sectional nerve area at the site of maximal enlargement and at an uninvolved site could improve diagnostic accuracy. [117] Using this ratio did not improve diagnostic accuracy over what could be achieved simply by looking for the point of maximal swelling; however, the ratio did help distinguish compressive neuropathies from other systemic processes associated with diffuse nerve enlargement (eg, diabetes and polyneuropathy).

Subsequently, another study examined nerve vascularity in 137 patients afflicted with ulnar neuropathy at the elbow and determined that increased intraneural vascularization visualized by ultrasonography was indicative of axonal damage. [118]


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