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flock worker's lung
Flock worker's lung is an occupational lung disease caused by exposure to flock, small fibers that are glued to a backing in order to create a specific texture. People who work in flocking are at risk of inhaling the small fibers, which causes interstitial lung disease. The disease was initially described in 1998, when a group of workers at a flocking plant developed interstitial lung disease of unknown etiology.
==Signs and symptoms==
Signs and symptoms of flock worker's lung include rales (crackling noises caused by fluid in the lungs), dyspnea (shortness of breath), and coughing. Abnormalities seen on a computed tomography (CT) scan of the lungs can include ground glass opacity and reticular opacity. The typical histopathology in flock worker's lung is bronchiolocentric interstitial pneumonitis and lymphocytic bronchiolitis with lymphocytic hyperplasia. Occasionally, desquamative interstitial pneumonia and bronchiolitis obliterans organizing pneumonia can be seen.〔
Other symptoms described in flock workers include pleuritic chest pain and atypical chest pain. Most cases described have been chronic and progressive. Lung function in individuals with flock worker's lung is generally diminished, with both restrictive and obstructive defects found.〔〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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