1. Crowned Dens Syndrome The American Journal of Medicine
Kiyoshi Shikino, MD, PhD, Takahiro Ota, MD, Masatomi Ikusaka, MD, PhD 
The American Journal of Medicine 
Volume 130, Issue 3, Pages e111-e112 (March 2017)
DOI: /j.amjmed
Copyright © 2016 Elsevier Inc. Terms and Conditions

2. Figure 1
Coronal computed tomography imaging showed thin curvilinear calcification of the transverse ligament of the atlas (arrow).
The American Journal of Medicine  , e111-e112DOI: ( /j.amjmed )
Copyright © 2016 Elsevier Inc. Terms and Conditions

3. Figure 2
Coronal computed tomography imaging showed linear calcification in the coronal view (arrow).
The American Journal of Medicine  , e111-e112DOI: ( /j.amjmed )
Copyright © 2016 Elsevier Inc. Terms and Conditions