• Patient with type 1 diabetes who presents with fever, headache and facial swelling with mild ketoacidosis and sinus pathology on CT scan, most concerning for Mucor infection
• Key idea: Mucormycosis is most commonly seen in ketoacidotic diabetic patients and/or neutropenic patients
• Key idea: Diagnosis requires biopsy and culture of the sinus mucosa because Aspergillus can less commonly lead to a similar presentation

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