title: Idiopathic inflammation of optic nerve simulating optic nerve sheath meningioma.
mesh_terms: D003390:Cranial Nerve Neoplasms / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008577:Meningeal Neoplasms / Q000175:diagnosis*; D008579:Meningioma / Q000175:diagnosis*; D008875:Middle Aged; D009901:Optic Nerve Diseases / Q000175:diagnosis; D009902:Optic Neuritis / Q000175:diagnosis*