Mycology/Parasitology USMLE Step 1 Practice Question
A 42-year-old man with a history of smoking and COPD presents with hemoptysis and a cavitary lesion in the lung. Culture of sputum grows a dimorphic fungus that appears as a mold at room temperature and yeast at 37°C. He is from Ohio. Which of the following is the most likely diagnosis?
Answer choices
- ABlastomycosis
- BAspergillosis
- CTuberculosis
- DHistoplasmosisCorrect answer
- ECoccidioidomycosis
- FCryptococcosis
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