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MRI Characteristics of Cavernous Sinus and Superior Ophthalmic Vein Septic Thrombosis | Devin D. Mackay, MD; Valérie Biousse, MD | Cerebral Venous Thrombosis; Cavernous Sinus Thrombosis; Superior Ophthalmic Vein; MRI | Septic left cavernous sinus and superior ophthalmic vein thrombosis, secondary to left maxillary tooth abscess. MRI characteristics. Figure 1 : MRI Orbits (Coronal T2 with fat suppression) : Left periorbital edema (increased T2 signal, yellow arrows) extends inferiorly along the premalar tissues to ... |