Demyelination with focal and diffuse reticuloblastosis of the brain.
D000368:Aged; D001932:Brain Neoplasms / Q000150:complications / Q000473:pathology*; D005260:Female; D006801:Humans; D016403:Lymphoma, Large B-Cell, Diffuse / Q000150:complications / Q000473:pathology*; D008636:Mesencephalon / Q000473:pathology; D009103:Multiple Sclerosis / Q000150:complications / Q000473:pathology*; D011149:Pons / Q000473:pathology