Incomplete Immunizations Is Brought in Pediatrics — 5yo Child | Pediatric Infectious | SMLE Q#694

SMLE Question #694

Pediatrics Pediatric Infectious

Objective: OBJ-113

Last updated: February 2026
A 5-year-old boy with incomplete immunizations is brought to the emergency department with 2 days of high fever and progressive swelling around the left eye. He has eye pain that worsens with eye movement, and his parents noticed the eye appears more prominent. Examination shows marked eyelid erythema and edema, conjunctival chemosis, proptosis, painful limited extraocular movements, and mildly blurred vision in the affected eye. What is the most likely diagnosis?

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