A 61-YEAR-OLD MAN PRESENTED TO THE EMER-gency department with swelling in his mid-forehead. He reported a gradual onset of frontal swelling 5 weeks earlier, after he accidentally hit his forehead on a metal pipe in his basement, with an acute increase in swelling over the past week. He denied vision changes, purulent rhinorrhea, or epistaxis. He also denied any recent international travel, dental work, weight loss, or history of rhinosinusitis. His sense of smell was chronically diminished. His medical history was positive for hypertension and negative for diabetes mellitus. He denied any tobacco, alcohol, or recreational drug use.
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