Ulnar nerve injury

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

Human bite injury - medial elbow - Few days. NCV - ulnar neuropathy. Referred for ulnar nerve tracing and to look for injury.

Patient Data

Age: 17 years
Gender: Male
ultrasound

Affected short segment of nerve is about 15-20 mm length.  It shows increased cross-sectional area of ulnar nerve above medial epicondyle and is more hypoechoic. No discontinuity is noted.  No perineural or intraneural mass lesion.

The asymptomatic side shows normal cross-sectional area of ulnar nerve above medial epicondyle.

Case Discussion

Case shows changes of ulnar nerve injury cause by bite injury.

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