title: Primary progressive multifocal leukoencephalopathy. A case report.
mesh_terms: D000328:Adult; D001344:Autopsy; D001921:Brain / Q000473:pathology; D003711:Demyelinating Diseases / Q000473:pathology; D004660:Encephalitis / Q000473:pathology*; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D009420:Nervous System / Q000473:pathology; D027383:Papillomaviridae / Q000302:isolation & purification*; D027382:Polyomaviridae; D014777:Virus Diseases / Q000150:complications*