1. From the Department of Neuroradiology, Hôpital Bicêtre, Le Kremlin Bicetre, France (G.S.); and Division of Neuroradiology, Department of Medical Imaging (G.S., R.H.S., S.P., A.K., R.A.W., K.G.t., S.R., T.K.) and Division of Neurosurgery (M.T.), Toronto Western Hospital, Toronto, Ontario, Canada.