CTICasesRapidly Progressive Silicosis in a Countertop Worker
Imaging findings
Serial chest radiographs and CT scans in a 37-year-old quartz countertop fabricator show rapid progression over three years from mild upper-zone nodularity to dense progressive massive fibrosis (PMF), with severe upper lobe volume loss and traction juxtaphrenic peak.
Key takeaways
Exposure to high concentrations of silica dust during the fabrication of engineered quartz countertops (which contain ~90% silica bound in resin) can cause an extremely accelerated form of silicosis, progressing to PMF within a few years.
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