1 Department of Radiology, Fondation Ophtalmologique Adolphe-de-Rothschild, 25, rue Manin, 75019 Paris, France.
2 Department of Radiology, Fondation Ophtalmologique Adolphe-de-Rothschild, 25, rue Manin, 75019 Paris, France; Department of Neuroradiology, Pitié-Salpêtrière Hospital, AP-HP, 47-83, boulevard de l'Hôpital, 75013 Paris, France.
3 Department of Radiology, Fondation Ophtalmologique Adolphe-de-Rothschild, 25, rue Manin, 75019 Paris, France. Electronic address: alecler@fo-rothschild.fr.