Teaching NeuroImage: Crowned Dens Syndrome: An Acute Attack of Calcium Pyrophosphate Deposition Disease Mimicking Acute Meningitis

Affiliations

• ¹ From the Department of Pathophysiology and Transplantation (A.F., G.C., M.C.S.), University of Milan; Neurodegenerative Diseases Unit (A.F., A.A., A.M.P., G.G.F., S.F., E.S., D.G., M.C.S., T.C.), and Neuroradiology Unit (G.C., G.P.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan; and Department of Biomedical (S.F., E.S., D.G.), Surgical and Dental Sciences, University of Milan, Italy. alessandro.francia@unimi.it.
• ² From the Department of Pathophysiology and Transplantation (A.F., G.C., M.C.S.), University of Milan; Neurodegenerative Diseases Unit (A.F., A.A., A.M.P., G.G.F., S.F., E.S., D.G., M.C.S., T.C.), and Neuroradiology Unit (G.C., G.P.), Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan; and Department of Biomedical (S.F., E.S., D.G.), Surgical and Dental Sciences, University of Milan, Italy.