Silicosis diagnostic criteria
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The International Labor Office (ILO) has established a classification coding radiological changes in a reproducible format.[1] ILO Classification (see online version for full description) The classification contains five sections: 1 Technical quality of radiographs: 1: good, 2: acceptable, 3: poor, and 4: unacceptable. 2 Parenchymal alterations: size, profusion, shape and site (Figs. 2 and 3) • Small opacities: Small opacities are described according to profusion, affected zones of the lung, shape and size. • Large opacities: A large opacity is defined as an opacity having the longest dimension exceeding 10 mm. There are 3 categories: A, B, and C. 3 Pleural abnormalities. 4 Symbols, for recording additional coded findings. 5 Comments, not included above.
References
- ↑ Halldin CN, Petsonk EL, Laney AS (2014). "Validation of the international labour office digitized standard images for recognition and classification of radiographs of pneumoconiosis". Acad Radiol. 21 (3): 305–11. doi:10.1016/j.acra.2013.11.019. PMID 24507420.