Abstract
Silicosis is a sistemic occupational disease, including in the group of pneumoconiosis, because is resulting from the inhalation of microscopic particles of crystalline silica, which deposition and histologic changes take place in lung tissue. A 30 year-old male, construction worker who presented many mediastinal, abdominal and groinal adenopathies without lung damaged. A groinal adenophaty biopsy showed the presence of numerous noncaseating granulomas containing scattered polarizable particles compatible with silica. This case has the particular feature of the exclusive extrapulmonary presentation of silicosis.
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