BACKGROUND: We compare neuropathological abnormalities in children and adults after bone marrow transplantation (BMT) by means of autopsy in the Department of Medical Pathology, Universidade Federal do Paraná (UFPR), Brazil. METHODS: Autopsy reports of 180 patients were reviewed. They were divided in two groups: patients under 15 years old and those 15 or older. Age, gender, clinical diagnosis at time of BMT, s...