List five causes of thoracic outlet syndrome.
List five causes of thoracic outlet syndrome.
1. Costoclavicular syndrome (compression of the neurovascular structures between the clavicle and first rib); most common
2. Cervical rib or anomalous first rib
3. Fibrous band
4. Scalenus tunnel syndrome (i.e., compression in the scalene triangle by muscle)
5. Neoplasia