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Artifactual means pertaining to an artifact. An artifact, in medical terms, is a finding (usually in radiology) that isn't made by the body, but is from some external cause. For instance, think about making a photocopy on a maching with a dirty glass: you get artifactual images on the copy that weren't present on the original. Artifactual findings can also be caused by surgery or, in the case of x-rays, by jewelry or bra clasps.

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12y ago

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