Acute mastoiditis
Acute otitis media
Bilateral tonsillitis
Enlarged condylar emissary vein
Interzygomatic line
Intradiploic nontraumatic sphenoid arachnoid pit
Intraorbital foreign body
Old watershed infarct and incidental silent sinus syndrome
Orbital blowout fracture - inferior wall
Periapical odontogenic abscess as incidental finding on trauma brain CT
Petrous apex effusion
Preseptal cellulitis
Squamous cell cancer of the nasofacial angle
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