Mycology/Parasitology USMLE Step 1 Practice Question
A 68-year-old man with remote pulmonary tuberculosis presents with hemoptysis, fever (38.2°C), and tachycardia (HR 102). Vital signs show BP 138/82, RR 22, SpO2 94% on room air. Chest CT demonstrates a cavitary lesion in the right upper lobe with a mobile intracavitary mass. Fungal culture grows Aspergillus fumigatus. WBC is 7,800/μL. He denies dyspnea or chest pain. Which of the following is the most likely diagnosis?
Answer choices
- AAspergillus endocarditis
- BAcute invasive aspergillosis
- CExacerbation of chronic bronchitis
- DAspergillus osteomyelitis
- EAspergilloma with secondary bacterial superinfectionCorrect answer
- FMycobacterium avium complex infection with concurrent aspergillus colonization
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