Using surface landmarks, the thoracic outlet is located next to the large muscle that runs vertically in the neck, called the sternocleidomastoid muscle, and in front of the muscle that runs across …

The major nerves and blood vessels serving the upper extremity lie within or adjacent to the scalene triangle as they pass through the upper part of the thoracic outlet over the first rib. The …

The phrenic nerve is an additional nerve in the area of the thoracic outlet. It arises as a small branch at the top of the scalene triangle and passes vertically and across the front of the …

Types of Thoracic Outlet Syndrome (TOS) TOS can be subdivided into three separate conditions caused by compression of a group of nerves or artery: Arterial TOS (compression of the …

Thoracic outlet syndrome (TOS) is a group of rare conditions that involve compression of the nerves or blood vessels that pass through the base of the neck and behind the collarbone on …

Venous Thoracic Outlet Syndrome (TOS) Effort thrombosis of the subclavian vein in venous TOS is due to occlusion of the axillary and subclavian veins (easily demonstrated by a venogram), …

The following listing indicates the centers and individuals who have helped develop and guide the Consortium for Outcomes Research and Education on Thoracic Outlet Syndrome: CORE-TOS …

Dr. Thompson’s clinical practice is focused on all forms of thoracic outlet syndrome and upper extremity neurovascular compression disorders. The surgical management of patients with …

There are many natural variations in anatomy that can be found in the thoracic outlet, including: Cervical (extra) rib – complete or partial; Bony anomalies of the first rib; Variations in soft …

Thoracic outlet syndrome is a condition caused by compression of the brachial plexus (a network of nerves serving the upper extremity), the subclavian artery, or subclavian vein.