In Group 1, 1 out of 76 patients was operated for a meningioma, localized right fronto-parietal at a scar place, 14 years after a right-sided craniotomy and radiotherapy for a NFA. Although p53 staining of the meningioma tissue was negative, a relationship with radiotherapy cannot be excluded. In Group 2, 1 patient died due to a glioblastoma multiforme 1 year after surgery for NFA.