Accuracy of Ultrasound Compared to Magnetic Resonance Imaging in the Diagnosis of Thumb Ulnar Collateral Ligament Injuries: A Prospective Case Series

This prospective case series compared the accuracy of ultrasound (US) to magnetic resonance imaging (MRI) in differentiating complete displaced (CD) thumb ulnar collateral ligament (UCL) tears from nondisplaced injuries in 10 patients with suspected traumatic thumb UCL injuries. Ultrasound identifie...

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Bibliographic Details
Published in:Journal of ultrasound in medicine 2021-06, Vol.40 (6), p.1251-1257
Main Authors: Moore, Brittany J, Iafrate, Julia L, Kakar, Sanjeev, Wisniewski, Stephen J, Murthy, Naveen S, Smith, Jay
Format: Article
Language:English
Subjects:
Collateral Ligament, Ulnar - diagnostic imaging
Collateral Ligaments - diagnostic imaging
Humans
Magnetic Resonance Imaging
Prospective Studies
Thumb - diagnostic imaging
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Summary:This prospective case series compared the accuracy of ultrasound (US) to magnetic resonance imaging (MRI) in differentiating complete displaced (CD) thumb ulnar collateral ligament (UCL) tears from nondisplaced injuries in 10 patients with suspected traumatic thumb UCL injuries. Ultrasound identified 100% (2 of 2) of MRI-documented CD tears, both of which were further confirmed during surgical repair. Ultrasound identified the absence of CD tears in the remaining 8 patients. Although MRI is the reference standard imaging modality for characterizing thumb UCL injuries, ultrasound should be considered an accurate, cost-effective, and alternative imaging modality to differentiate surgical versus nonsurgical thumb UCL injuries.
ISSN:0278-4297
1550-9613
DOI:10.1002/jum.15491