Baritosis

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Baritosis is a benign type of pneumoconiosis, which is caused by deposition of inhaled barium dust in the lungs. The barium particles can be seen as opaque shadows on the chest X-rays of people with baritosis. However, this is a benign condition; it neither interferes with lung function nor causes symptoms. After exposure to barium dust ceases, the X-ray abnormalities gradually resolve.

[edit] References

• Doig AT. Baritosis: a benign pneumoconiosis. Thorax. 1976 Feb;31(1):30-9. PMID 1257935