case_images: PMC7849855_01
case_images: A photograph showing: (a) Right periorbital swelling with mild erythema, ecchymosis, subconjunctival hemorrhage, dilated and tortuous episcleral veins; (b and c) showed a restricted ocular motility
case_images: SJO-34-62-g001.jpg
case_images: PMC7849855_01_SJO-34-62-g001.jpg
case_images: F1
case_images: The ocular motility examination showed a total right ophthalmoplegia [Figure 1].
case_images: Computed Tomography Scan of the orbits: (a) axial section, (b) coronal reconstruction of the venous phase of computed tomography angiography: The arrow is pointing to dilated right superior ophthalmic vein thrombosis and enlarged extraocular muscles
case_images: SJO-34-62-g002.jpg
case_images: PMC7849855_01_SJO-34-62-g002.jpg
case_images: F2
case_images: Suspecting an intraocular malignancy with orbital involvement, an urgent CT scan of the orbits was performed [Figure 2].
case_images: Brain MRI (T1 Gadolinium-enhanced): (a) axial section, (b and d), coronal section, (c) sagittal section: the arrow is pointing to right SOVT, (b) T1 coronal section: the arrow is pointing to the partial extension of thrombus into the right cavernous sinus
case_images: SJO-34-62-g003.jpg
case_images: PMC7849855_01_SJO-34-62-g003.jpg
case_images: F3
case_images: CT and MRI angiograms excluded a dural cavernous sinus fistula, a sino-orbital infection, but showed a partial extension of thrombus into the ipsilateral cavernous sinus [Figure 3].
case_images: External photographs at 1-week follow-up; (b and c): no limitation of ocular motility
case_images: SJO-34-62-g004.jpg
case_images: PMC7849855_01_SJO-34-62-g004.jpg
case_images: F4
case_images: Evolution was marked ultimately by the gradual disappearance of symptoms 1 week after starting anticoagulation therapy [Figure 4].