Mycology/Parasitology USMLE Step 1 Practice Question
A 28-year-old woman with poorly controlled diabetes (HbA1c 12.2%) presents with fever (39.1°C), facial pain, and black necrotic tissue involving her hard palate and nasal sinuses. Vital signs show BP 128/82, HR 104, RR 20, SpO2 98% on room air. She denies recent antibiotics. CT imaging reveals opacification of maxillary sinuses with bone erosion. Biopsy demonstrates broad, nonseptate hyphae with angioinvasion. Which organism is most likely responsible?
Answer choices
- ACryptococcosis
- BCandidiasis
- CFusariosis
- DMucormycosisCorrect answer
- EAspergillosis
- FPneumocystis jirovecii
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