superior thoracic aperture

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su·pe·ri·or tho·rac·ic ap·er·ture

the upper boundary of the bony thorax composed of the first thoracic vertebra and the upper margins of the first ribs and manubrium of the sternum. Note: clinicians refer to the superior thoracic aperture as the "thoracic outlet." as in "thoracic outlet syndrome."
References in periodicals archive ?
Thoracic outlet syndrome: A 50-year experience at Baylor University Medical Center.
The "Injuries" section discusses bursitis, tendonitis, thoracic outlet syndrome and temporomandibular joint dysfunction (TJM), with each section describing the condition, its causes and prevention, and providing worthwhile links to other websites.
Some authors claimed that deceleration of ulnar motor nerve conduction across the thoracic outlet is characteristic in patients with TOS, however, subsequent studies showed normal velocities across the Erb's point-axilla and did not correspond with this hypothesis (1).
This condition frequently leads to thoracic outlet syndrome, a set of symptoms that may be caused by compression on the brachial plexus and on the subclavian vessels in the region of the thoracic outlet.
The thoracic outlet syndrome: controversies, overdiagnosis, overtreatment, and recommendations for management.
Moller's research has additionally uncovered non-invasive solutions that positively impact vascular abnormalities that enhance the standard of treatment for migraine headache and repetitive stress injuries such as carpal tunnel syndrome and thoracic outlet syndrome.
During the past 5 decades, the recognition and management of thoracic outlet syndrome (TOS) have evolved.
The final section covers miscellaneous topics, among them, evaluation of the hepatoportal circulation, thoracic outlet syndrome, clinical applications of intravascular ultrasound, and coding and reimbursements.
These diseases include arterial occlusive disease (atherosclerosis or hardening of the arteries), venous obstruction and clotting, venous incompetence/insufficiency, cerebrovascular disease including carotid bruits, aneurysms, thoracic outlet syndrome, vasospastic disorders including Raynaud's, lymphedema, vascular ulcerations, vasculitis, and other vascular disorders.

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