title: [20 cases of arachnoiditis of the optic chiasm].
mesh_terms: D000293:Adolescent; D000328:Adult; D001100:Arachnoiditis / Q000175:diagnosis* / Q000628:therapy; D003937:Diagnosis, Differential; D005260:Female; D005654:Fundus Oculi; D006801:Humans; D008297:Male; D009897:Optic Chiasm; D009902:Optic Neuritis / Q000175:diagnosis; D014792:Visual Acuity; D014794:Visual Fields