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Thoracic outlet syndrome 

Thoracic outlet syndrome
Chapter:
Thoracic outlet syndrome
Author(s):

John Tanner

DOI:
10.1093/med/9780199674107.003.0028
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date: 08 August 2020

Thoracic outlet syndrome (TOS) comprises a number of syndromes involving the upper quarter and hand that are thought to be caused by compression of the subclavian artery, vein, and/or brachial plexus. It is believed that at least one of these structures must be compressed somewhere between the superior opening of the thorax and the axilla to meet this diagnosis. This chapter begins by describing the anatomy of the thoracic outlet. It then discusses TOS under the following headings: aetiology, clinical presentation, physical examination, investigations, and treatment. Physical examination includes general examination, differential diagnosis, examination for vascular features, and postural examination. Treatment includes the role of both physical and surgical treatment.

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