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Updated: Mar 19, 2026
Nerve Ultrasound Protocol to Detect Dysimmune Neuropathies
Published on: October 7, 2021
High-resolution ultrasound in combat-related peripheral nerve injuries
Jonathan K Smith1, Matthew E Miller2, Craig G Carroll1
1Walter Reed National Military Medical Center, Department of Neurology, American Bldg, 6th Floor, 9801 Rockville Pike, Bethesda, Maryland, 20889.
Introduction:
Peripheral nerve injuries (PNI) sustained in combat are typically severe and are frequently associated with marked soft tissue damage, anatomic distortion, and retained metallic fragments. These features complicate clinical and electrodiagnostic assessment and may preclude MRI.
Methods:
We describe 4 cases of military personnel who sustained high-velocity gunshot wounds or blasts with metal fragment injuries in which high resolution peripheral nerve ultrasound (US) proved beneficial.
Results:
In these cases, the clinical and electrodiagnostic exams provided inadequate localization and severity data of the nerve injuries, and MRI was either precluded or provided no additional information. In each case, US disclosed focal nerve segment abnormalities, including regions of focal enlargement and nerve discontinuity with end-bulb neuroma, which guided surgical planning for nerve repair. The findings on US were subsequently confirmed intra-operatively.
Conclusions:
High resolution peripheral nerve US is a useful modality in assessment of combat-related PNI. Muscle Nerve, 2016 Muscle Nerve 54: 1139-1144, 2016.
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