RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58102628 T1 Thoracic Outlet Syndrome T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58102628 RD 2024/04/23 AB • Variety of disorders caused by arterial, venous, or neural compression at base of neck• Mechanical causes for compression include: -Cervical rib-Anomalous ligaments-Anterior scalene hypertrophy-Positional changes with relation to first rib• Patients may describe history of cervical trauma• Symptoms rare prior to adulthood, suggesting alteration of normal structure with age is cause• Subclavian artery stenosis: Arterial stenosis and poststenotic dilation• Subclavian vein compression: Can lead to effort thrombosis (Paget-Schroetter)