A 42-year-old woman with a 15-year history of rheumatoid arthritis presents with progressive dyspnea on exertion over 6 months. Chest X-ray shows bilateral lower lobe interstitial opacities. PFTs show FVC 65% predicted, FEV1 62% predicted, FEV1/FVC ratio 0.92, and DLCO 48% predicted. Which of the following is the most likely diagnosis?
- A)Sarcoidosis
- B)Rheumatoid arthritis-associated interstitial lung diseaseGABARITO
- C)Idiopathic pulmonary fibrosis
- D)Asbestosis
- E)Hypersensitivity pneumonitis
Explicação
Rheumatoid arthritis is a systemic autoimmune disease that frequently causes ILD, typically presenting with lower lobe predominant interstitial pattern, reduced DLCO out of proportion to FVC reduction, and restrictive physiology. The clinical context of long-s... Ver explicação completa e trilha adaptativa →