Superior ophthalmic vein thrombosis is a rare, life- and sight-threatening complication of both infectious and inflammatory orbital disease as well as hypercoagulable state. Only one case of superior ophthalmic vein thrombosis due to thyroid eye disease has been reported in the literature. This article describes the diagnosis and management of a case of superior ophthalmic vein thrombosis due to Graves' orbitopathy. Early diagnosis is critical to facilitate timely therapeutic intervention. Superior ophthalmic vein thrombosis should be considered in the differential diagnosis of acute on chronic proptosis in the setting of Graves' orbitopathy, and may represent and under-recognized and under-diagnosed clinical entity.

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PurposeOrbital apex syndrome due to spread of infectious sinusitis is a serious disease, often with an insidious presentation with few ophthalmic signs and symptoms. Failure to recognize and treat infectious orbital apex syndrome early portends a grave prognosis, including profound, permanent visual loss and potentially death. Herein we describe a representative case and discuss the relevant aspects of prompt diagnosis and treatment.ObservationsAn unusual case of infectious orbital apex syndrome due to contiguous spread of Streptococcus viridans sphenoethmoiditis in a hospitalized, immunosuppressed patient with acute myelogenous leukemia is presented. Given the few clinic signs and subtle imaging findings, a delay in diagnosis occurred resulting in vision loss to light perception and internal carotid artery occlusion within the cavernous sinus. A brief literature review of orbital apex syndromes is presented.Conclusion and importanceA high clinical suspicion for orbital apex syndrome must be maintained in the appropriate circumstance given the subtle clinical signs and imaging, as well as the potential devastating morbidity of the disease process. Prompt diagnosis and treatment is crucial to patient survival and preservation of vision.

Most patients with vertebral artery dissection present with signs of posterior circulation ischemia consisting of neurological deficits, headaches, or neck pain. This case report highlights the unique clinical features and diagnostic imaging seen in the work-up of this rare disease process and exemplifies the importance of identifying acute visual symptoms in an emergency situation.

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