Fig. 5
From: Imaging diagnosis of classical and new pneumoconiosis: predominant reticular HRCT pattern
HRCT scans of heard metal pneumoconiosis. a 62-year-old man with hard metal pneumoconiosis. Upper-lung predominant fibrosis in hard metal pneumoconiosis. HRCT scan shows prominent interstitial thickening, irregular peribronchovascular thickening, and traction bronchiectasis in upper lung zones. b 32-year-old man with hard metal pneumoconiosis. Early stage of hard metal pneumoconiosis. HRCT scan shows ground-glass opacities and centrilobular nodules predominantly in the peripheral portions. c 53-year-old man with hard metal pneumoconiosis. HRCT scan shows patchy and irregular ground-glass opacity and traction bronchiectasis diffusely distributed in the lung. Bullae are seen in the subpleural region.