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Thoracic Outlet Syndrome MeSH Descriptor Data 2026


MeSH Heading
Thoracic Outlet Syndrome
Tree Number(s)
C10.668.829.550.850
C14.907.863
Unique ID
D013901
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D013901
Scope Note
A neurovascular syndrome associated with compression of the BRACHIAL PLEXUS; SUBCLAVIAN ARTERY; and SUBCLAVIAN VEIN at the superior thoracic outlet. This may result from a variety of anomalies such as a CERVICAL RIB, anomalous fascial bands, and abnormalities of the origin or insertion of the anterior or medial scalene muscles. Clinical features may include pain in the shoulder and neck region which radiates into the arm, PARESIS or PARALYSIS of brachial plexus innervated muscles, PARESTHESIA, loss of sensation, reduction of arterial pulses in the affected extremity, ISCHEMIA, and EDEMA. (Adams et al., Principles of Neurology, 6th ed, pp214-5).
Entry Term(s)
Aperture Syndrome, Thoracic Outlet
Arterial Thoracic Outlet Syndrome
Costoclavicular Syndrome
Nerve Compression Syndrome, Thoracic Outlet
Neurogenic Thoracic Outlet Syndrome
Neurologic Syndrome, Thoracic Outlet
Neurovascular Syndrome, Thoracic Outlet
Scalenus Anticus Syndrome
Superior Thoracic Aperture Syndrome
Thoracic Outlet Nerve Compression Syndrome
Thoracic Outlet Neurologic Syndrome
Thoracic Outlet Neurovascular Syndrome
Thoracic Outlet Syndrome, Neurogenic
Venous Thoracic Outlet Syndrome
NLM Classification #
WL 520
See Also
Cervical Rib
Public MeSH Note
1983; see SCALENUS ANTICUS SYNDROME 1963-1982
History Note
1983(1963)
Date Introduced
1983/01/01
Last Updated
2009/07/06
Thoracic Outlet Syndrome Preferred
Scalenus Anticus Syndrome Narrower
Costoclavicular Syndrome Narrower
Thoracic Outlet Nerve Compression Syndrome Narrower
Neurogenic Thoracic Outlet Syndrome Narrower
Neurologic Syndrome, Thoracic Outlet Narrower
Arterial Thoracic Outlet Syndrome Narrower
Venous Thoracic Outlet Syndrome Narrower
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