title: Progressive multifocal leukoencephalopathy: its pathological features.
mesh_terms: D001253:Astrocytes / Q000648:ultrastructure; D001921:Brain / Q000648:ultrastructure*; D006801:Humans; D007577:JC Virus / Q000302:isolation & purification; D007968:Leukoencephalopathy, Progressive Multifocal / Q000382:microbiology / Q000473:pathology*; D009186:Myelin Sheath / Q000648:ultrastructure; D009474:Neurons / Q000648:ultrastructure; D009837:Oligodendroglioma / Q000648:ultrastructure; D011120:Polyomavirus / Q000302:isolation & purification