An undesired feature or density in the CT image not representative of anatomy is a(n):

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An artifact in CT refers to any stucture or feature that is not a true representation of the anatomy being imaged. Artifacts can arise due to a variety of reasons, such as patient motion, hardware or software malfunctions, and improper scanning technique. Noise, CT aberrations, and windowing flaws may also affect image quality, but they are not necessarily indicative of artifacts.

An Undesired Feature or Density in the CT Image Not