A 45-year-old man with COPD presents with hemoptysis and fever (38.2°C). Vital signs show BP 128/82, HR 98, RR 22, SpO2 88% on room air. Chest X-ray reveals a cavitary lesion in the right upper lobe. Sputum cultures grow a mold with V-shaped septate hyphae and acute-angle branching. WBC 11,500/μL. He denies recent antifungal therapy. Which of the following is the most likely diagnosis?
- A)AspergillomaGABARITO
- B)Tuberculosis
- C)Blastomycosis
- D)Histoplasmosis
- E)Lung abscess from Staphylococcus aureus
Explicação
Aspergillus fumigatus forms septate hyphae with acute angle (45°) branching. Aspergilloma (fungal ball) occurs in pre-existing cavities from COPD, tuberculosis, or other chronic lung disease. Characterized by hemoptysis and cavitary infiltrates. Ver explicação completa e trilha adaptativa →