Neurogenic thoracic outlet syndrome: current diagnostic criteria and advances in MRI diagnostics

Neurosurgical Focus
Stephen T MagillLine Jacques

Abstract

Neurogenic thoracic outlet syndrome (nTOS) is caused by compression of the brachial plexus as it traverses from the thoracic outlet to the axilla. Diagnosing nTOS can be difficult because of overlap with other complex pain and entrapment syndromes. An nTOS diagnosis is made based on patient history, physical exam, electrodiagnostic studies, and, more recently, interpretation of MR neurograms with tractography. Advances in high-resolution MRI and tractography can confirm an nTOS diagnosis and identify the location of nerve compression, allowing tailored surgical decompression. In this report, the authors review the current diagnostic criteria, present an update on advances in MRI, and provide case examples demonstrating how MR neurography (MRN) can aid in diagnosing nTOS. The authors conclude that improved high-resolution MRN and tractography are valuable tools for identifying the source of nerve compression in patients with nTOS and can augment current diagnostic modalities for this syndrome.

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Citations

Oct 16, 2015·World Neurosurgery·Zarina S AliViviane Khoury
Mar 21, 2018·Diagnostics·Sebastian Povlsen, Bo Povlsen
May 31, 2017·Diagnostics·M Libby Weaver, Ying Wei Lum
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Sep 20, 2020·European Journal of Radiology·Dinesh ManoharanMohd Tahir Ansari
Apr 13, 2021·Frontiers in Neuroscience·Seoyon YangMin Cheol Chang
Aug 10, 2021·World Journal of Clinical Cases·Min Cheol Chang, Du Hwan Kim

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Methods Mentioned

BETA
imaging technique

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