Arenaltransplantrecipientinher60spresentedwithahistoryofchronicheadachesandprogressiveencephalopathy.Serialcerebrospinalfluidexaminationswereconsistentwithchroniclymphocyticmeningitis,butnodefinitivecausewasidentified.Imagingstudiesshowedthedevelopmentofanenhancingsuprasellarmasslesionandhydrocephalus.Symptomsprogresseddespiteempiricantimicrobialtherapy,andthepatientdiedafteranacutelarge-volumesubarachnoidhemorrhage.A