Partial volume averaging (CT artifact)

Partial volume artifact occurs when tissues of widely different absorption are encompassed on the same CT voxel producing a beam attenuation proportional to the average value of these tissues. 

The last generation of CT scanners and its reduction in the volume of a voxel has substantially reduced the occurrence of this artifact.

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Article information

rID: 30337
Section: Physics
Synonyms or Alternate Spellings:
  • Partial volume averaging
  • Partial-volume-averaging
  • Partial volume artefact

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