pneumoconiosis

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pneumoconiosis

(no͞o'məkō'nēō`sĭs), chronic disease of the lungs. Primarily an occupational disease of miners, sandblasters, and metal grinders, it is a result of repeated inhalation of dusts, including iron oxides (e.g., rust and filings), silicates (e.g., talc and rock dust), and carbonates (especially coal dust). Particles collect in the lungs and become sites for the formation of fibrous nodules. As the disease progresses, fibrous tissue increasingly replaces elastic lung tissue. Loss of lung function is signaled by shortness of breath, wheezing, coughing, and difficulty in expectorating. A heart deficiency called cor pulmonale may develop in severe cases. Sufferers are particularly vulnerable to infectious lung diseases such as tuberculosis. Pneumoconiosis is incurable and treatment is purely symptomatic. Because the inhaled dusts cause darkening of the lung tissue, the disease is also known as black lung. Silicosis, the form of the disease prevalent among miners, is commonly called miner's lung.

pneumoconiosis

[¦nü·mō‚kō·nē′ō·səs]
(medicine)
Any lung disease caused by dust inhalation.
References in periodicals archive ?
Although the previous Liberal government had accepted certain changes proposed by Justice O'Meally, the President of the Dust Diseases Tribunal (DDT), the changes had stalled in the Cabinet Office.
The Self-Insurers' Security Fund, Second Injury Fund, Silicosis, Dust Disease, and Logging Industry Compensation Fund Board of Trustees oversees the Funds Administration, which is funded by insurers who write workers' compensation policies in the state of Michigan and employers who self-insure their workers' compensation liability.
But claims are still flooding in with more than 1,300 new claims under the compensation scheme for dust disease in the same period.
The party will use a minority debate in the National Assembly to maintain that exminers suffering from dust disease have been let down.
But to thousands of ex-miners - many of them dying from chronic dust disease - it was just another empty promise.
Mr Hain said the south Wales branch of the union should "examine its conscience" after taking the money from miners claiming cash for dust disease.
Long-suffering pitmen are having thousands in sickness benefit wrongly docked from dust disease payouts.
FRAIL and elderly ex-miners will get their dust disease cash first, it was promised last night.
ENERGY minister Peter Hain began getting to grips with his new job yesterday - visiting miners suffering from dust disease.
INDUSTRY officials pledged last night to process dust disease claims from 100-year-old ex-miner Lewis Jones - once they receive them.