A 42-year-old man from Wisconsin presents with a 3-week history of productive cough, fever (38.5°C), and 8-pound weight loss. He has verrucous skin lesions on his face and arms. Vital signs show BP 128/76, HR 92, RR 18, SpO2 98% on room air. Chest X-ray reveals nodular infiltrates in the right upper lobe. Sputum culture grows dimorphic yeast. He denies hemoptysis. Which organism is most likely responsible for this presentation?

  1. A)Tuberculosis
  2. B)Histoplasma capsulatum
  3. C)Coccidioides immitis
  4. D)Staphylococcus aureus pneumonia
  5. E)Blastomyces dermatitidisGABARITO

Explicação

Blastomyces dermatitidis is correct. Pulmonary infection in the Great Lakes region with dissemination to verrucous skin lesions is classic. The organism is identified by broad based budding yeasts. Ver explicação completa e trilha adaptativa →

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