Computed Tomography Scan in the Early Detection of Silicosis

We evaluated the ability of both the conventional and high resolution computed tomography (CCT and HRCT, respectively) scans of the thorax to detect early silicosis in subjects exposed to silica dust in the mines and foundries of Québec for an average of 29 ± 2 yr. The study was limited to subjects with chest radiograph (CR) of the International Labor Organization (ILO) Categories 0 or 1 as determined independently a priori. All subjects had a...