A 58 year old man with prolonged neutropenia after induction chemotherapy for acute leukemia develops fever, pleuritic chest pain, and hemoptysis. CT scan of the chest shows multiple nodules with surrounding ground glass attenuation. Bronchoalveolar lavage demonstrates septate hyphae branching at acute angles. Which of the following organisms is the most likely cause of this infection?
- A)Aspergillus fumigatusGABARITO
- B)Mucor species
- C)Candida albicans
- D)Cryptococcus neoformans
- E)Histoplasma capsulatum
Explicação
Aspergillus fumigatus is correct. Invasive aspergillosis occurs in neutropenic patients and classically causes fever, pleuritic pain, hemoptysis, and nodules with halo signs on imaging. Histology shows narrow septate hyphae with acute angle branching. Ver explicação completa e trilha adaptativa →