The upper extremity venogram shows complete occlusion of the right subclavian vein (thick arrow) with some collateral vessel formation (arrow).
From: Chu AS, Harkness J, Witmer CM. Spontaneous subclavian vein thrombosis in a healthy adolescent cheerleader: A case of Paget-Schroetter syndrome. Pediatr Emerg Care 2017; 33:e92. DOI:
10.1097/PEC.0000000000000646. Copyright © 2017 Wolters Kluwer Health. Reproduced with permission. Unauthorized reproduction of this material is prohibited.