“…The finding of eggshell calcification on an HRCT scan was rare in this study. (8) The result, however, agrees with the literature, in which punctuated or uniform calcification is more frequently described, differing from the findings of Ferreira et al (1,9) Various studies have demonstrated the importance of standardization in the reading of HRCT scans, aiming at decreasing the differences in findings among readers, principally when the focus is the profusion and extent of the lesions. The use of a standardized reading protocol based on Bégin et al (10) has certainly contributed to the high indices of concordance in relation to the diagnosis of silicosis among the readers in the study conducted by Antão et al (8) Since the 1990s, radiologists have proposed standardized protocols for this type of reading, aiming to decrease the variability among the readers and to create the possibility of comparing clinical and epidemiological studies in the area, similarly to what has been done with the simple chest X-ray since 1930.…”