Thin-Section CT Findings of Arc-Welders' Pneumoconiosis
Korean Journal of Radiology
; : 79-83, 2000.
Article
em En
| WPRIM
| ID: wpr-138970
Biblioteca responsável:
WPRO
ABSTRACT
OBJECTIVE: To describe the thin-section CT findings of arc-welders' pneumoco-niosis. MATERIALS AND METHODS: Eighty-five arc-welders with a three to 30 (mean, 15)-year history of exposure underwent thin-section CT scanning. The extent of abnormalities detected was correlated with the severity of dyspnea and pulmonary function tests. For comparison, images of 43 smoking males (mean 25 pack-year) who underwent thin-section CT for other reasons (smokers' group) were also analyzed. RESULTS: Fifty-four welders (63.5%) and six smokers (14.0%) showed positive findings. Predominant thin-section CT findings were poorly-defined centrilobular micronodules (30/54, 55.6%), branching linear structure (18/54, 33.3%), and ground-glass attenuation (6/54, 11.1%). In the smokers' group, poorly-defined micronodules were found in four patients, branching linear structures in one, and ground-glass attenuation in one. In welders, the extent of abnormalities seen on thin-section CT showed no significant correlation with the severity of dyspnea or the results of pulmonary funotion test. CONCLUSION: Poorly-defined centrilobular micronodules and branching linear structures were the thin-section CT findings most frequently seen in patients with arc-welders' pneumoconiosis. Less commonly, extensive ground-glass attenua-tion was also seen
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Assunto principal:
Pneumoconiose
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Soldagem
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Estudo Comparativo
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Compostos Férricos
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Fumar
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Tomografia Computadorizada por Raios X
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Estudos de Casos e Controles
Tipo de estudo:
Diagnostic_studies
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Observational_studies
Limite:
Adult
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Female
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Humans
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Male
Idioma:
En
Revista:
Korean Journal of Radiology
Ano de publicação:
2000
Tipo de documento:
Article