Interstitial lung disease and asthma in hard-metal workers: bronchoalveolar lavage, ultrastructural, and analytical findings and results of bronchial provocation tests

Five patients with respiratory disorders associated with hard metal exposure are described. In four patients electron microprobe analysis of bronchoalveolar lavage cells or lung tissue was used to show tungsten and other hard-metal components. Three patients had interstitial pneumonia and fibrosis w...

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Veröffentlicht in:Thorax 1983-02, Vol.38 (2), p.119-128
Hauptverfasser: Davison, A G, Haslam, P L, Corrin, B, Coutts, I I, Dewar, A, Riding, W D, Studdy, P R, Newman-Taylor, A J
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container_end_page 128
container_issue 2
container_start_page 119
container_title Thorax
container_volume 38
creator Davison, A G
Haslam, P L
Corrin, B
Coutts, I I
Dewar, A
Riding, W D
Studdy, P R
Newman-Taylor, A J
description Five patients with respiratory disorders associated with hard metal exposure are described. In four patients electron microprobe analysis of bronchoalveolar lavage cells or lung tissue was used to show tungsten and other hard-metal components. Three patients had interstitial pneumonia and fibrosis with unusual multinucleate giant cells. Electron microscopy showed that the giant cells comprised both type II alveolar epithelial cells and alveolar macrophages. The multinucleate macrophages formed a distinctive feature of the bronchoalveolar lavage material but the multinucleate alveolar epithelial lining cells were evident only in lung tissue. The other two patients both suffered from work-related asthma, one of whom also had pulmonary opacities. Bronchial provocation tests in these patients supported the diagnosis of hard-metal-induced asthma and implicated cobalt as the agent responsible.
doi_str_mv 10.1136/thx.38.2.119
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In four patients electron microprobe analysis of bronchoalveolar lavage cells or lung tissue was used to show tungsten and other hard-metal components. Three patients had interstitial pneumonia and fibrosis with unusual multinucleate giant cells. Electron microscopy showed that the giant cells comprised both type II alveolar epithelial cells and alveolar macrophages. The multinucleate macrophages formed a distinctive feature of the bronchoalveolar lavage material but the multinucleate alveolar epithelial lining cells were evident only in lung tissue. The other two patients both suffered from work-related asthma, one of whom also had pulmonary opacities. 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subjects Adult
Asthma - chemically induced
Asthma - pathology
Bronchial Provocation Tests
Cell Count
Cobalt - adverse effects
Female
Humans
Lung - ultrastructure
Lung Volume Measurements
Male
Metallurgy
Microscopy, Electron
Middle Aged
Occupational Diseases - chemically induced
Occupational Diseases - pathology
Pulmonary Fibrosis - chemically induced
Pulmonary Fibrosis - pathology
Therapeutic Irrigation
title Interstitial lung disease and asthma in hard-metal workers: bronchoalveolar lavage, ultrastructural, and analytical findings and results of bronchial provocation tests
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