Enlarged optic nerve.
D003390:Cranial Nerve Neoplasms / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005910:Glioma / Q000000981:diagnostic imaging; D006801:Humans; D009447:Neuroblastoma / Q000000981:diagnostic imaging; D009901:Optic Nerve Diseases / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed