title: Idiopathic inflammation of optic nerve simulating optic nerve sheath meningioma: CT demonstration.
mesh_terms: D003390:Cranial Nerve Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006801:Humans; D008297:Male; D008579:Meningioma / Q000175:diagnosis / Q000000981:diagnostic imaging*; D008875:Middle Aged; D009900:Optic Nerve / Q000000981:diagnostic imaging / Q000473:pathology; D009901:Optic Nerve Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging*; D009902:Optic Neuritis / Q000175:diagnosis / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed