Complex

Immune System


{"ops":[{"insert":"Diagnosis and reasoning"},{"insert":"\n","attributes":{"header":1}},{"insert":"This young girl has presented with acute left-sided orbital erythema and swelling, a highly concerning constellation of symptoms which mandates urgent evaluation.\n\nExamination reveals chemosis and proptosis of the affected eye, along with pain with eye movements; when considered along with the symptoms, and the history suggestive of preceding sinusitis, orbital cellulitis is a strong consideration.\n \nGiven the rapid onset of symptoms, the other potential differential diagnoses are probably cavernous sinus thrombosis and periorbital cellulitis.\n \nHowever, the latter is not associated with proptosis, or pain on eye movements, while systemic symptoms such as fever are also uncommon. Neither are there superficial skin injuries which would favor"}]}

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