A 27-year-old man presents with hemoptysis, fatigue, and cola-colored urine. Vital signs show BP 142/88 mmHg, HR 98/min, RR 22/min, SpO2 92% on room air. Serum creatinine is 2.1 mg/dL with proteinuria on urinalysis. Chest X-ray reveals bilateral alveolar infiltrates. Anti-type IV collagen antibodies are positive. He denies recent infections or smoking history. Which pulmonary finding is most likely present?
- A)Noncaseating granulomas at the hilar nodes
- B)Bronchiectasis with mucus plugging
- C)Pleural plaques with ferruginous bodies
- D)Upper lobe cavitary lesions
- E)Diffuse alveolar hemorrhageGABARITO
Explicação
Diffuse alveolar hemorrhage is correct. Goodpasture syndrome is caused by antibodies against type IV collagen in basement membranes of glomeruli and alveoli, producing rapidly progressive glomerulonephritis and pulmonary hemorrhage with hemoptysis. The pulmona... Ver explicação completa e trilha adaptativa →