Magnetite pneumoconiosis.
A subject is described who was exposed to fine particles of magnetite (Fe3O4). His chest radiograph demonstrated the presence of multiple small rounded opacities; however, his lung function remained unaffected.
D000328:Adult; D006801:Humans; D007501:Iron / Q000009:adverse effects*; D008297:Male; D009784:Occupational Diseases / Q000209:etiology*; D010087:Oxides / Q000009:adverse effects; D012806:Siderosis / Q000209:etiology*
D010087:Oxides; D007501:Iron