1. Young Man With Unilateral Neck Swelling
Alexander Hart, MBBS, Michael Brzozowski, MD, FRCPC, Jordan Chenkin, MD, FRCPC 
Annals of Emergency Medicine 
Volume 72, Issue 2, Pages e13-e14 (August 2018)
DOI: /j.annemergmed
Copyright © 2018 American College of Emergency Physicians Terms and Conditions

2. Figure 1
Point-of-care ultrasonographic image (sagittal view) generated over the right fluctuant neck mass, demonstrating the brainstem and spinal cord (red arrow) and overlying cerebrospinal fluid (white arrowhead). In the near field, there is a fluid collection in the extradural space (white arrow).
Annals of Emergency Medicine  , e13-e14DOI: ( /j.annemergmed )
Copyright © 2018 American College of Emergency Physicians Terms and Conditions

3. Figure 2
Axial CT image slice of the brain, demonstrating a collection of fluid in the extradural space (red arrow) extending through the surgical bone window (red arrowhead).
Annals of Emergency Medicine  , e13-e14DOI: ( /j.annemergmed )
Copyright © 2018 American College of Emergency Physicians Terms and Conditions