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U.S. Department of Health and Human Services

Radiation-Emitting Products

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Are there any specific requirements concerning the viewing conditions for screen-film mammograms?

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Yes. Facilities where screen-film mammograms are interpreted or reviewed for comparison, must provide both hot lights and masking devices to the interpreting physicians. Any device that blocks light not required for viewing and interpretation of the image would meet the masking requirement. Although not required, it is recommended that hot lights and masking devices be available for technologists to aid in their evaluation of clinical and quality control films.

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