Hypocycloidal tomography of the optic canal.
D005134:Eye Neoplasms / Q000000981:diagnostic imaging; D005910:Glioma / Q000000981:diagnostic imaging; D006801:Humans; D008579:Meningioma / Q000000981:diagnostic imaging; D008722:Methods; D009900:Optic Nerve; D009915:Orbit / Q000000981:diagnostic imaging / Q000293:injuries; D011859:Radiography; D012887:Skull Fractures / Q000000981:diagnostic imaging; D013100:Sphenoid Bone / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D014054:Tomography