costoclavicular syndrome

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Related to costoclavicular syndrome: thoracic outlet syndrome

cos·to·cla·vic·u·lar syn·drome

one of the forerunners of thoracic outlet syndrome, in which the subclavian artery and vein and, on later reports, the brachial plexus, were thought to be compressed between the clavicle and normal first rib, with the assumption of certain body postures, for example, the military brace position.
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tho·rac·ic out·let syn·drome

(TOS) (thōr-as'ik owt'lĕt sin'drōm)
Collective name for several conditions attributed to compromise of blood vessels or nerve fibers (brachial plexus) at any point between the base of the neck and the axilla; classified on the basis of the structure known or presumed to be compromised, and divided into two main groups: vascular and neurologic.
Synonym(s): costoclavicular syndrome, hyperabduction syndrome, thoracic outlet compression syndrome, Wright syndrome.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012