A 28-year-old immunocompetent man from Ohio develops fever, myalgias, and a dry cough that progresses over 4 weeks. He works in construction and was recently exposed to bird droppings in an old building. Blood cultures are negative. Chest X-ray shows mediastinal lymphadenopathy with hilar infiltrates. Which of the following organisms is most likely responsible?
- A)Histoplasma capsulatumGABARITO
- B)Blastomyces dermatitidis
- C)Aspergillus fumigatus
- D)Cryptococcus neoformans
- E)Coccidioides immitis
Explicação
Histoplasma capsulatum is endemic to the Ohio River Valley and associated with bird droppings, particularly in old buildings. It causes subacute pulmonary histoplasmosis with mediastinal lymphadenopathy and hilar infiltrates in immunocompetent hosts. The organ... Ver explicação completa e trilha adaptativa →