• F Lapegue, M Faruch-Bilfeld, X Demondion, C Apredoaei, M A Bayol, H Artico, H Chiavassa-Gandois, J-J Railhac, and N Sans.
• Department of Radiology, CHU de Toulouse-Purpan, bâtiment Putois, place du Dr-Baylac, TSA 40031, 31059 Toulouse cedex 9, France; Polyclinique Le Languedoc, avenue de la Côte-des-Roses, 11100 Narbonne, France. Electronic address: franck.lapegue@gmail.com.
• Diagn Interv Imaging. 2014 Mar 1; 95 (3): 259-75.

AbstractUltrasound examination of the brachial plexus, although at first sight difficult, is perfectly feasible with fairly rapid practical and theoretical training. The roots are accurately identified due to the shape (a single tubercle) of the transverse process of C7 in the paravertebral space, and the superficial position of C5 in the interscalene groove. The téléphérique technique allows the roots, trunks and cords to be followed easily into the supraclavicular fossa. In just a few years, ultrasound imaging of the plexus has become a routine anesthesia examination for guiding nerve blocks. In trained hands, it also provides information in thoracic outlet syndromes, traumatic conditions (particularly for postganglionic lesions) and tumoral diseases. Even if MRI remains the standard examination in these indications, ultrasound, with its higher definition and dynamic character, is an excellent additional method which is still under-exploited.Copyright © 2014 Éditions françaises de radiologie. Published by Elsevier Masson SAS. All rights reserved.

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