title: [Nontumoral obstruction of the foramen of Magendie revealed by bilateral primary optic atrophy].
mesh_terms: D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000150:complications*; D008875:Middle Aged; D009896:Optic Atrophy / Q000209:etiology*
vernacular_title: Blocage non tumoral du trou de magendie révélé par une atrophie optique primitive bilatérale.