Amnesia anterógrada posvacunal por fiebre amarilla: reporte de caso

introduction: viral encephalitis by yellow fever vaccine is a rare disease and little is known about its effects. objective: to present a case of a 59 year-old woman with viral encephalitis after being vaccinated with attenued viruses for yellow fever. design: case report. results: the viral encephalitis caused bilateral hippocampal lesions, with an irreversible and pervasive affection of anterograde declarative memory. this paper discusses the images and neuropsychological evaluations of the patient. this work compares the clinical presentation, diagnostic images and neuropsychological evaluations of this case versus other similar cases reported on medical literature and presents an anatomo-clinical correlation. conclusion: the medial temporal lobe is the anatomical seat of declarative recent memory, and the damage of these areas cause a profound, and frequently irreversible, damage of this type of memory.