Brain Magnetic Susceptibility Changes in Patients with Natalizumab-Associated Progressive Multifocal Leukoencephalopathy

From the University of Lille, CHU Lille (J.H., O.O., V.D., A.L., J.-P.P., P.V., X.L.), Lille, France; Departments of Neuroradiology (J.H., J.-P.P., X.L.) and Neurology (O.O., A.L., P.V.), Roger Salengro Hospital, Lille, France; Department of Radiology (S.V.), Saint Philibert Hospital, Lille, France; and Department of Pathology (V.D.), Lille University Hospital, Lille, France.

From the University of Lille, CHU Lille (J.H., O.O., V.D., A.L., J.-P.P., P.V., X.L.), Lille, France; Departments of Neuroradiology (J.H., J.-P.P., X.L.) and Neurology (O.O., A.L., P.V.), Roger Salengro Hospital, Lille, France; Department of Radiology (S.V.), Saint Philibert Hospital, Lille, France; and Department of Pathology (V.D.), Lille University Hospital, Lille, France.

From the University of Lille, CHU Lille (J.H., O.O., V.D., A.L., J.-P.P., P.V., X.L.), Lille, France; Departments of Neuroradiology (J.H., J.-P.P., X.L.) and Neurology (O.O., A.L., P.V.), Roger Salengro Hospital, Lille, France; Department of Radiology (S.V.), Saint Philibert Hospital, Lille, France; and Department of Pathology (V.D.), Lille University Hospital, Lille, France.

From the University of Lille, CHU Lille (J.H., O.O., V.D., A.L., J.-P.P., P.V., X.L.), Lille, France; Departments of Neuroradiology (J.H., J.-P.P., X.L.) and Neurology (O.O., A.L., P.V.), Roger Salengro Hospital, Lille, France; Department of Radiology (S.V.), Saint Philibert Hospital, Lille, France; and Department of Pathology (V.D.), Lille University Hospital, Lille, France.

From the University of Lille, CHU Lille (J.H., O.O., V.D., A.L., J.-P.P., P.V., X.L.), Lille, France; Departments of Neuroradiology (J.H., J.-P.P., X.L.) and Neurology (O.O., A.L., P.V.), Roger Salengro Hospital, Lille, France; Department of Radiology (S.V.), Saint Philibert Hospital, Lille, France; and Department of Pathology (V.D.), Lille University Hospital, Lille, France.

From the University of Lille, CHU Lille (J.H., O.O., V.D., A.L., J.-P.P., P.V., X.L.), Lille, France; Departments of Neuroradiology (J.H., J.-P.P., X.L.) and Neurology (O.O., A.L., P.V.), Roger Salengro Hospital, Lille, France; Department of Radiology (S.V.), Saint Philibert Hospital, Lille, France; and Department of Pathology (V.D.), Lille University Hospital, Lille, France.

From the University of Lille, CHU Lille (J.H., O.O., V.D., A.L., J.-P.P., P.V., X.L.), Lille, France; Departments of Neuroradiology (J.H., J.-P.P., X.L.) and Neurology (O.O., A.L., P.V.), Roger Salengro Hospital, Lille, France; Department of Radiology (S.V.), Saint Philibert Hospital, Lille, France; and Department of Pathology (V.D.), Lille University Hospital, Lille, France.

From the University of Lille, CHU Lille (J.H., O.O., V.D., A.L., J.-P.P., P.V., X.L.), Lille, France; Departments of Neuroradiology (J.H., J.-P.P., X.L.) and Neurology (O.O., A.L., P.V.), Roger Salengro Hospital, Lille, France; Department of Radiology (S.V.), Saint Philibert Hospital, Lille, France; and Department of Pathology (V.D.), Lille University Hospital, Lille, France.