1. From the Musculoskeletal Radiology Section, Department of Radiology (A.A.J., M.T.V.A., A.G.C., M.d.A.D., C.T.O., L.C.G., N.O.S., R.D.O.), Musculoskeletal Pathology Section, Department of Pathology (I.R.O.), and Hand Surgery Section, Department of Traumatology and Orthopedics Surgery (Á.L.B.), Vall d’Hebron University Hospital, Passeig de la Vall d’Hebron, 119, 08035 Barcelona, Spain.