1 MCQs in Medicine for NEET PG
A 42-year-old woman presents with progressive dyspnea and cough. Chest X-ray shows bilateral hilar lymphadenopathy with parenchymal infiltrates. Spirometry reveals the pattern marked **A** in the diagram—reduced FVC with preserved FEV1/FVC ratio. High-resolution CT confirms interstitial infiltrates consistent with sarcoidosis. Which of the following findings would BEST support the diagnosis of pulmonary sarcoidosis in this patient?
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