title: Multifocal progressive leukoencephalopathy.
mesh_terms: D005625:Frontal Lobe / Q000473:pathology*; D006801:Humans; D007968:Leukoencephalopathy, Progressive Multifocal / Q000209:etiology / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D013702:Temporal Lobe / Q000473:pathology*