title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 1-1987. A 58-year-old man with a malignant thymoma and confusion.
mesh_terms: D001253:Astrocytes / Q000473:pathology; D001921:Brain / Q000473:pathology; D006801:Humans; D007577:JC Virus / Q000302:isolation & purification; D007968:Leukoencephalopathy, Progressive Multifocal / Q000175:diagnosis / Q000382:microbiology / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D010997:Pleural Neoplasms / Q000556:secondary; D013945:Thymoma / Q000473:pathology*; D013953:Thymus Neoplasms / Q000473:pathology*; D014412:Tumor Virus Infections / Q000473:pathology