Baritosis, Barium Pneumoconiosis
Baritosis, Barium Pneumoconiosis :
A form of pneumoconiosis caused by barite or barium dust. Baritosis is a benign type of pneumoconiosis, which is caused by long-term exposure to barium dust. Barium has a high radio-opacity and the disease may develop after few months of exposure. Extremely dense, discrete small opacities of 2–4mm diameter, sometimes of a star-like configuration, are seen on the radiograph. Their distribution is uniform. When they are very numerous, superimposition may give the impression of confluency, but this does not seem to occur in reality. The hilar lymph nodes can be very opaque but not enlarged. After cessation of exposure, there is a gradual clearing of the opacities. (An OSH glossary used in safety and health at work which is, adopted by ILO
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