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 ?
Sensitivity and specificity of nested and real-time PCR for the detection of Pneumocystis jiroveci in clinical specimens.
A single-copy gene encodes Kex1, a serine endoprotease of Pneumocystis jiroveci.
Dual infection with Mycobacterium tuberculosis and Pneumocystis jiroveci lymphadenitis in a patient with HIV infection: case report and review of the literature.
1) Pneumocystis carinii pneumonia (PCP) is the term commonly used for the condition, although the causative organism has been renamed Pneumocystis jiroveci [pronounced "yee-row-vet-zee"].
Sputum samples were blood-stained, but negative for acid-fast bacilli and Pneumocystis jiroveci, and only mixed oral flora were cultured.
A yeast-like fungus, Pneumocystis jiroveci, causes this form of pneumonia.
Background & objectives: Pneumocystis jiroveci (also known as P.
To our knowledge, this is the first case of Strongyloides hyperinfection syndrome and Pneumocystis jiroveci pneumonia occurring simultaneously.
Notes: Acute illness (such as bacterial pneumonia, tuberculosis, herpes simplex virus, or Pneumocystis Jiroveci pneumonia) and vaccinations can cause an increase in plasma HIV RNA for 2-4 weeks; viral load testing should not be performed during this time, Plasma HIV RNA results should usually be verified with a repeat determination before starting or making changes in therapy.
The low-tech collection procedure is coupled with a very high-tech detection procedure, namely PCR amplification, that's capable of spotting the DNA from a single organism of Pneumocystis jiroveci.
We describe a case of a newly diagnosed HIV-positive man with pathology-confirmed ALCL and a co-occurring Pneumocystis jiroveci pneumonia, Epstein-Barr virus, and cytomegalovirus infection.
Outbreak of Pneumocystis jiroveci pneumonia in renal transplant recipients: P.