1. Adolescent Male With Knee Pain and Swelling
Michael F. Osborn, MD, Amy Cutright, MD 
Annals of Emergency Medicine 
Volume 68, Issue 6, (December 2016)
DOI: /j.annemergmed
Copyright © 2016 American College of Emergency Physicians Terms and Conditions

2. Figure 1
Anterior-posterior radiograph of the right knee (arrows: medial soft tissue swelling and osteophyte).
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2016 American College of Emergency Physicians Terms and Conditions

3. Figure 2
Lateral radiograph of the right knee (arrows: posterior soft tissue swelling and osteophyte).
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2016 American College of Emergency Physicians Terms and Conditions

4. Figure 3 Axial CT (arrows: pseudoaneurysm and osteophyte).
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2016 American College of Emergency Physicians Terms and Conditions

5. Figure 4 Sagittal CT (arrow: large pseudoaneurysm).
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2016 American College of Emergency Physicians Terms and Conditions