Anna Maria Ierardi1, Costantino Del Giudice2, Andrea Coppola3, Aldo Carnevale4, Melchiore Giganti4, Matteo Renzulli5, Vania Tacher6, Jose Urbano7, Hicham Kobeiter6, Romaric Loffroy8, Marc Sapoval2, Gianpaolo Carrafiello1,9. 1. UOC Radiologia, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Itlay. 2. Vascular and Oncological Interventional Radiology, Hopital Georges Pompidou, Paris, France. 3. UO Radiologia, ASST Settelaghi, Ospedale di Circolo e Fondazione Macchi, Varese, Italy. 4. Radiology Department, University Radiology Unit, Sant'Anna University Hospital, Ferrara, Italy. 5. Department of Experimental, Diagnostic and Speciality Medicine, UO Radiologia, Sant'Orsola Hospital, University of Bologna, Bologna, Italy. 6. Hôpitaux de Paris (AP-HP), Service d'Imagerie Médicale, CHU Henri Mondor, Créteil, France. 7. Instituto de Investigaciones Sanitarias RyC, Research coordinator at Vascular and Interventional Service, Ramón y Cajal University Hospital, Madrid, Spain. 8. CHU Djon, Dijon, France. 9. Department of Health Sciences, Università degli Studi di Milano, Milan, Italy.