A 32-year-old woman presents with progressive dyspnea, fever, and bilateral interstitial infiltrates on chest X-ray. She is HIV-positive with a CD4 count of 45 cells/μL and has not been on antiretroviral therapy. Bronchoalveolar lavage shows foamy exudate without organisms on standard stains. Which of the following is the most likely diagnosis?
- A)Cytomegalovirus pneumonitis
- B)Aspergillus fumigatus infection
- C)Cryptococcal pneumonia
- D)Histoplasmosis
- E)Pneumocystis jirovecii pneumoniaGABARITO
Explicação
PCP is the most common opportunistic infection in AIDS patients with CD4 <50 cells/μL. Classic findings include progressive dyspnea, fever, bilateral interstitial infiltrates, and foamy exudate on BAL without visible organisms on routine stains. Diagnosis requ... Ver explicação completa e trilha adaptativa →