The term ‘thoracic outlet syndrome’ (TOS) refers to the compression of the neurovascular structures, primarily the brachial plexus, subclavian artery, and the subclavian vein, as they exit through the thoracic outlet also known as the cervicothoracobrachial region.

Thoracic outlet syndrome (TOS) has been classified as neurogenic (95% of cases), venous (3- 5%), or arterial (1%). Patients commonly complain of arm pain. Presenting symptoms and predisposing conditions should be elucidated in the preop evaluation.

Apr 10, 2023 · Thoracic outlet syndrome (TOS) manifests when pressures in the thoracic outlet increase to the point of impinging vessels or nerves. TOS presents in a vague and nondescript way.

Thoracic outlet syndrome (TOS) occurs when the vessels and/or nerves running from the upper body to the arm become compressed, leading to swelling, reduced blood flow, tingling, weakness, pain and/or numbness in the neck, shoulder, arms or hands.

Mar 12, 2007 · Thoracic outlet syndrome (TOS) is a nonspecific label. When employing it, one should define the type of TOS as arterial TOS, venous TOS, or neurogenic TOS. Each type has different symptoms and physical findings by which the three types can easily be identified.

What is Thoracic Outlet Syndrome? The Thoracic Outlet Syndrome test (TOS) is an examination performed primarily to discriminate between the causes of patient symptoms due to compression at the thoracic outlet.

Thoracic outlet syndrome (TOS) constitutes a group of diverse disorders that result in compression of the neurovascular bundle exiting the thoracic outlet.

Assistant Professor of Surgery Dr. Ying Wei Lum discusses causes, symptoms and risk factors of thoracic outlet syndrome. Treatment for thoracic outlet syndrome (TOS) is highly specific to each patient.

Mar 23, 2025 · Thoracic outlet syndrome (TOS, neurovascular compression at the thoracic outlet) is a disabling condition affecting the upper extremities. Athletes are at risk of developing TOS. Prior reports of TOS in athletes have been largely restricted to single center experiences.

Thoracic outlet syndrome (TOS) is an uncommon medical condition that happens when the nerves and blood vessels between the neck and shoulder are pinched and compressed between the collarbone and top rib.