title: Progressive visual loss. What type of mass lesion?
mesh_terms: D000328:Adult; D002648:Child; D003390:Cranial Nerve Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D005260:Female; D006801:Humans; D008577:Meningeal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008579:Meningioma / Q000175:diagnosis* / Q000000981:diagnostic imaging; D009901:Optic Nerve Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D014057:Tomography, X-Ray Computed