title: REPLY.
authors.affiliation: University of Lille Lille, France Department of Neuroradiology Roger Salengro Hospital Lille, France.
authors.forename: J
authors.initials: J
authors.lastname: Hodel
authors.affiliation: University of Lille Lille, France Department of Neurology Roger Salengro Hospital Lille, France.
authors.forename: O
authors.initials: O
authors.lastname: Outteryck
authors.affiliation: Department of Radiology Saint Philibert Hospital Lille, France.
authors.forename: S
authors.initials: S
authors.lastname: Verclytte
authors.affiliation: University of Lille Lille, France Department of Pathology Lille University Hospital Lille, France.
authors.forename: V
authors.initials: V
authors.lastname: Deramecourt
authors.affiliation: University of Lille Lille, France Department of Neurology Roger Salengro Hospital Lille, France.
authors.forename: A
authors.initials: A
authors.lastname: Lacour
authors.affiliation: University of Lille Lille, France Department of Neuroradiology Roger Salengro Hospital Lille, France.
authors.forename: J-P
authors.initials: JP
authors.lastname: Pruvo
authors.affiliation: University of Lille Lille, France Department of Neurology Roger Salengro Hospital Lille, France.
authors.forename: P
authors.initials: P
authors.lastname: Vermersch
authors.affiliation: University of Lille Lille, France Department of Neuroradiology Roger Salengro Hospital Lille, France.
authors.forename: X
authors.initials: X
authors.lastname: Leclerc