. "Visual pathway and hypothalamic glioma" . . "Optic nerve glioma" . "486" . . . . . . . . . . . "C72.3" . . . . . . . . . . . . . . . . . "Optic nerve glioma" . . . . . . "radio" . . . . . "Optic pathway glioma" . "optic nerve glioma" . . "001024" . . . "Optic tumour" .