Nerve ultrasound identifies abnormalities in the posterior interosseous nerve in patients with proximal radial neuropathies.

ABSTRACT:

Introduction

The radial nerve and posterior interosseous nerve (PIN) are prone to injury at multiple sites. Electrodiagnostic (EDx) studies may only identify the most proximal lesion. Nerve ultrasound could augment EDx by visualizing additional pathology.

Methods

This investigation was a retrospective examination of ultrasound and EDx from 26 patients evaluated for posterior cord/radial/PIN lesions.

Results

Eighteen of 26 patients had abnormalities on EDx (15 radial, 2 PIN, 1 posterior cord). Ultrasound identified 15 of 18 (83%) of the EDx abnormalities and provided additional diagnostic information. In 6 of 15 (40%) patients with EDx evidence of radial neuropathy, ultrasound identified both radial nerve enlargement and additional, unsuspected PIN enlargement (53% to

SUBMITTER: Dietz AR 

PROVIDER: S-EPMC5925758 | biostudies-literature | 2016 Mar

REPOSITORIES: biostudies-literature