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U.S. Department of Health and Human Services

Radiation-Emitting Products

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Although all mammography systems are required to have a compression device, their use does not appear to be required. Is this true?

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Yes. FDA’s regulations do not prescribe use by the technologist. However, use of the system without adequate compression should be reserved only for those special procedures in which compression can not or should not be applied; FDA believes that adequate compression should be used for all other mammography as an aid in providing uniform tissue thickness and reducing patient motion.

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