Crowned dens syndrome and interspinous ligament inflammation due to calcium pyrophosphate deposition in an elderly man

Affiliations

• ¹ Department of Emergency and Critical Care Medicine, JR General Hospital, 2-1-3 Yoyogi, Shibuya-ku, Tokyo 151-8528, Japan; Department of Emergency and Critical Care Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.
• ² Department of Emergency and Critical Care Medicine, JR General Hospital, 2-1-3 Yoyogi, Shibuya-ku, Tokyo 151-8528, Japan.