Thoracic Outlet

Question 1

Right subclavian vein stenosis

Answer 1

• Thoracic outlet syndrome - narrowing between 1st rib and clavicle; narrowing related to bone, anterior scalene, or fibrous band; aneurysm and thrombosis (Paget-Schroetter sx) also likely
• Artifact from contrast

Question 2

Brachial plexus mass

Answer 2

• Schwannoma

- Lymphadenopathy