title: Progressive multifocal leukoencephalopathy with selective involvement of the pyramidal tracts.
authors.affiliation: University Hospital Bonn, Dept. of Neurology, Bonn, Germany.
authors.forename: Alexander
authors.initials: A
authors.lastname: Semmler
authors.forename: Horst
authors.initials: H
authors.lastname: Urbach
authors.forename: Thomas
authors.initials: T
authors.lastname: Klockgether
authors.forename: Michael
authors.initials: M
authors.lastname: Linnebank
mesh_terms: D000368:Aged; D006801:Humans; D007968:Leukoencephalopathy, Progressive Multifocal / Q000000981:diagnostic imaging*; D008297:Male; D011712:Pyramidal Tracts / Q000000981:diagnostic imaging*; D011859:Radiography