Medulio-epithelioma (dictyoma) of the optic nerve.
D005123:Eye; D006801:Humans; D009369:Neoplasms; D018241:Neuroectodermal Tumors, Primitive, Peripheral / Q000473:pathology*; D009900:Optic Nerve
NERVES, OPTIC/neoplasms; NEUROEPITHELIOMA/pathology