1. From the Department of Radiology (J.F.D., R.N., V.T., H.D., I.S., V.C., F.R., H.K.), Department of Cardiology (A.Z., A.G., M.K., S.O., S.G., E.T., T.D.), National Referral Centre for Cardiac Amyloidosis (J.F.D., A.Z., A.G., M.K., S.O., S.G., E.T., T.D.), and Department of Public Health (E.A.), Henri Mondor Hospital, University Paris Est Créteil, Assistance Publique-Hôpitaux de Paris, 51 av Mal de Lattre de Tassigny, 94000 Créteil, France.