title: PML during dimethyl fumarate treatment of multiple sclerosis: How does lymphopenia matter?
authors.affiliation: From the Department of Neurology, Klinikum rechts der Isar der Technischen Universität München (K.L.-H., H.P., B.H., A.B.); Munich Cluster for Systems Neurology (SyNergy) (K.L.-H., B.H.); Ilmtalklinik GmbH Pfaffenhofen (P.G.); Department of Neurology, Klinikum Ingolstadt (U.L.); and Institute of Neuropathology (S.T.-H.), University of Duisburg-Essen, Essen, Germany.
authors.forename: Klaus
authors.initials: K
authors.lastname: Lehmann-Horn
authors.affiliation: From the Department of Neurology, Klinikum rechts der Isar der Technischen Universität München (K.L.-H., H.P., B.H., A.B.); Munich Cluster for Systems Neurology (SyNergy) (K.L.-H., B.H.); Ilmtalklinik GmbH Pfaffenhofen (P.G.); Department of Neurology, Klinikum Ingolstadt (U.L.); and Institute of Neuropathology (S.T.-H.), University of Duisburg-Essen, Essen, Germany.
authors.forename: Horst
authors.initials: H
authors.lastname: Penkert
authors.affiliation: From the Department of Neurology, Klinikum rechts der Isar der Technischen Universität München (K.L.-H., H.P., B.H., A.B.); Munich Cluster for Systems Neurology (SyNergy) (K.L.-H., B.H.); Ilmtalklinik GmbH Pfaffenhofen (P.G.); Department of Neurology, Klinikum Ingolstadt (U.L.); and Institute of Neuropathology (S.T.-H.), University of Duisburg-Essen, Essen, Germany.
authors.forename: Peter
authors.initials: P
authors.lastname: Grein
authors.affiliation: From the Department of Neurology, Klinikum rechts der Isar der Technischen Universität München (K.L.-H., H.P., B.H., A.B.); Munich Cluster for Systems Neurology (SyNergy) (K.L.-H., B.H.); Ilmtalklinik GmbH Pfaffenhofen (P.G.); Department of Neurology, Klinikum Ingolstadt (U.L.); and Institute of Neuropathology (S.T.-H.), University of Duisburg-Essen, Essen, Germany.
authors.forename: Ulrich
authors.initials: U
authors.lastname: Leppmeier
authors.affiliation: From the Department of Neurology, Klinikum rechts der Isar der Technischen Universität München (K.L.-H., H.P., B.H., A.B.); Munich Cluster for Systems Neurology (SyNergy) (K.L.-H., B.H.); Ilmtalklinik GmbH Pfaffenhofen (P.G.); Department of Neurology, Klinikum Ingolstadt (U.L.); and Institute of Neuropathology (S.T.-H.), University of Duisburg-Essen, Essen, Germany.
authors.forename: Sarah
authors.initials: S
authors.lastname: Teuber-Hanselmann
authors.affiliation: From the Department of Neurology, Klinikum rechts der Isar der Technischen Universität München (K.L.-H., H.P., B.H., A.B.); Munich Cluster for Systems Neurology (SyNergy) (K.L.-H., B.H.); Ilmtalklinik GmbH Pfaffenhofen (P.G.); Department of Neurology, Klinikum Ingolstadt (U.L.); and Institute of Neuropathology (S.T.-H.), University of Duisburg-Essen, Essen, Germany.
authors.forename: Bernhard
authors.initials: B
authors.lastname: Hemmer
authors.affiliation: From the Department of Neurology, Klinikum rechts der Isar der Technischen Universität München (K.L.-H., H.P., B.H., A.B.); Munich Cluster for Systems Neurology (SyNergy) (K.L.-H., B.H.); Ilmtalklinik GmbH Pfaffenhofen (P.G.); Department of Neurology, Klinikum Ingolstadt (U.L.); and Institute of Neuropathology (S.T.-H.), University of Duisburg-Essen, Essen, Germany. berthele@lrz.tu-muenchen.de.
authors.forename: Achim
authors.initials: A
authors.lastname: Berthele
mesh_terms: D000069462:Dimethyl Fumarate / Q000009:adverse effects*; D006801:Humans; D007166:Immunosuppressive Agents / Q000009:adverse effects*; D007968:Leukoencephalopathy, Progressive Multifocal / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000209:etiology*; D008231:Lymphopenia / Q000139:chemically induced*; D008297:Male; D008875:Middle Aged; D020529:Multiple Sclerosis, Relapsing-Remitting / Q000188:drug therapy*
chemical_list: D007166:Immunosuppressive Agents; D000069462:Dimethyl Fumarate