MRI with MR Venogram - study of choice
CT head/orbits with IV contrast
CT findings can be subtle and if clinical suspicion is high cannot rule out if neg CT
Blood cultures
CT findings can be subtle and if clinical suspicion is high cannot rule out if neg CT
Cavernous sinus thrombosis
Aneurysmal dilation/rupture of internal carotid artery in cavernous sinus
Labyrinthitis
Cellulitis
Vitreous hemorrhage
Periorbital vs Orbital Cellulitis
Orbital cellulitis
Acute Angle-Closure Glaucoma