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NIOSH

CHEST RADIOGRAPHY

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The purpose of this NIOSH Safety and Health Topic Page is to provide information about classification of chest radiographs for findings associated with pneumoconioses. Radiographic classification issues, such as its history and development; how it relates to medical diagnosis, research, worker monitoring, government programs, and contested proceedings; best practices for those different settings; and how to become a NIOSH B Reader, are included. Throughout these pages, it is assumed that the radiographic classification is being undertaken using the International Labour Office (ILO) International Classification of Radiographs of Pneumoconioses.

B Reader looking at an xray

B Reader Program

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ILO Classification

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Classification Issues

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Recommended Practices

Resources

Chest imaging is a rapidly evolving area. This web site will be updated as new developments occur.

Please send any comments or suggestions for improvement to: chestradiography@cdc.gov. Include the phrase “chest radiography” in the subject line.

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