title: Orbital pseudodeffect secondary to excessive pneumatization of the sphenoid bone.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009915:Orbit / Q000002:abnormalities* / Q000000981:diagnostic imaging; D012886:Skull / Q000000981:diagnostic imaging; D013100:Sphenoid Bone / Q000002:abnormalities*; D014056:Tomography, X-Ray