Restrictive Lung Disease USMLE Step 1 Practice Question
A 49-year-old male sandblaster presents with progressive dyspnea and dry cough over 6 months. Vital signs show BP 128/82, HR 94, RR 22, SpO2 88% on room air. High-resolution CT reveals innumerable small nodules in bilateral upper lobes with eggshell calcification of hilar lymph nodes. Pulmonary function tests show reduced FVC and FEV1 with normal FEV1/FVC ratio. No fever or night sweats reported. Which diagnosis best explains these findings?
Answer choices
- ACoal workers pneumoconiosis
- BSarcoidosis
- CBerylliosis
- DAsbestosis
- ESilicosisCorrect answer
- FTalcosis
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