Silicosis

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Silicosis is an occupational lung disease caused by the inhalation of respirable crystalline silica dust. It is characterized by lung inflammation and fibrosis that most commonly affects the upper lobes and is classified as a form of pneumoconiosis. The disease occurs in chronic (simple and progressive massive fibrosis), accelerated, or acute forms, depending on the intensity and duration of exposure. Common symptoms include shortness of breath, cough, fatigue, and cyanosis in severe cases. Because its clinical and radiographic features can resemble those of tuberculosis, pneumonia, or pulmonary edema, silicosis is sometimes misdiagnosed. There is no curative treatment; management focuses on symptom control and the prevention of complications. Silicosis is largely preventable through effective workplace controls that limit airborne silica exposure, such as engineering controls, ventilation, and appropriate respiratory protection.

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