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U.S. Department of Health and Human Services

Radiation-Emitting Products

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What is an acceptable documentation for the phantom image QC? Is a table of values sufficient or should the facility plot the results?

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While a table of 52 values (over a year) contains all the necessary information, it does not provide an easy way to analyze the results and detect trends for the background optical density and contrast. For this reason, FDA recommends that the facility plot the phantom scores, the measured optical density, and contrast values.

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