Young Adult Male in a Coma Hirotada Kobayashi, MD, Atsushi Shiraishi, MD, PhD  Annals of Emergency Medicine  Volume 70, Issue 3, (September 2017) DOI: 10.1016/j.annemergmed.2017.03.007 Copyright © 2017 American College of Emergency Physicians Terms and Conditions

Figure 1 CT of the brain (axial view) demonstrating normal findings. Annals of Emergency Medicine 2017 70, DOI: (10.1016/j.annemergmed.2017.03.007) Copyright © 2017 American College of Emergency Physicians Terms and Conditions

Figure 2 Diffusion-weighted MRI of the brain (axial view) demonstrating bilateral, symmetrical hyperintensity lesions in the putamen (white arrows). Annals of Emergency Medicine 2017 70, DOI: (10.1016/j.annemergmed.2017.03.007) Copyright © 2017 American College of Emergency Physicians Terms and Conditions

Figure 3 MRI of the brain and fluid-attenuated inversion recovery image (axial view) demonstrating bilateral, symmetrical hyperintensity lesions in the putamen (white arrows). Annals of Emergency Medicine 2017 70, DOI: (10.1016/j.annemergmed.2017.03.007) Copyright © 2017 American College of Emergency Physicians Terms and Conditions

Figure 4 MRI of the brain after 1 month and fluid-attenuated inversion recovery image (axial view) demonstrating bilateral basal ganglia hyperintensity (white arrows). Annals of Emergency Medicine 2017 70, DOI: (10.1016/j.annemergmed.2017.03.007) Copyright © 2017 American College of Emergency Physicians Terms and Conditions