32551 - Pneumoconiosis Pneumoconiosis Dr. Rasha Salama PhD...

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Unformatted text preview: Pneumoconiosis Pneumoconiosis Dr. Rasha Salama PhD Community Medicine Suez Canal University Egypt Definition Definition Pneumoconiosis is a generic Pneumoconiosis name covering the group of lung disorders which result from the inhalation of “inorganic dust” “inorganic Classification Pneumoconiosis is usually Pneumoconiosis divided into three groups: divided Major pneumoconiosis Minor pneumoconiosis Benign pneumoconiosis Major Pneumoconiosis Major Inhalation of some dusts results in Inhalation “major fibrosis” of the lungs, which results in interference of lung architecture or lung function tests. architecture As: As: Silica silicosis Silica Asbestos asbestosis Asbestos Talc talcosis Talc Coal coal workers pneumoconiosis Coal (anthracosis) (anthracosis) Minor Pneumoconiosis Minor Inhalation of some dusts results in “minor Inhalation fibrosis” of the lungs There is minimal fibrosis of the lungs There without interference of lung architecture or lung function tests. lung These dusts include: Clay Koalin Mica Feldspar (non-fibrous silicates) Major pneumoconiosis and Minor pneumoconiosis are called “ Fibrotic Pneumoconiosis” Fibrotic Benign Pneumoconiosis Benign There isn't any reaction in the There lungs, but dust deposition casts a shadow in x-ray of the lung. There is no fibrosis and no disturbance of lung functions. disturbance Examples of Benign Pneumoconiosis Examples It can result from the inhalation of: Iron dust sidrosis Tin dust stannosis Calcium dust chalicosis They are characterized by the presence of They small rounded dense opacities on a chest film due to perivascular collections of dusts. Hilar lymph nodes may be prominent. The deposits in the lung disappear when The exposure is discontinued. exposure Thank you Thank ...
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