A 35-year-old immunocompromised man with CD4 count of 45 cells/μL presents with progressive dyspnea, fever (38.8°C), and dry cough for 2 weeks. Vital signs show BP 118/76 mmHg, HR 102/min, RR 28/min, SpO2 92% on room air. Chest X-ray demonstrates bilateral interstitial infiltrates with ground-glass opacification. Lactate dehydrogenase is markedly elevated at 520 U/L. He denies chest pain. Which of the following is the most likely diagnosis?
- A)Pneumocystis jirovecii pneumoniaGABARITO
- B)Aspergillus pneumonia
- C)Bacterial pneumonia
- D)Tuberculosis
- E)Cytomegalovirus pneumonia
Explicação
Pneumocystis jirovecii pneumonia (PCP) is the most common AIDS-defining illness in severely immunocompromised patients (CD4 < 200). It presents with dry cough, dyspnea, and ground-glass opacities on imaging. Elevated LDH is characteristic and useful for diagno... Ver explicação completa e trilha adaptativa →