Ring artifact

Case contributed by Omar Giyab , 16 Apr 2013
Diagnosis certain
Changed by Matt A. Morgan, 15 Jun 2015

Updates to Study Attributes

Findings was changed:

Two images from a non-contrast CT of the abdomen demonstrate concentric rings centred on the caudate lobe of the liver, which. These do not conform to normal anatomy. These and represent ring artefact. 

Images Changes:

Image CT (non-contrast) ( update )

Perspective was set to Axial.
Single Or Stack Root was set to .

Updates to Case Attributes

Body was changed:

Ring artefact is usually obvious and rarely is mistaken for pathology, although it can obscure pathology in affected parts of the scan. It is most often due to a faulty receptorx-ray detector

Related article

  • -<p><strong>Ring artefact</strong> is usually obvious and rarely is mistaken for pathology, although it can obscure pathology in affected parts of the scan. It is most often due to a faulty receptor. </p><p><strong>Related article</strong></p><ul><li><a href="/articles/ring_artefact" title="Ring artefact">ring artefact</a></li></ul>
  • +<p><a title="Ring artefacts" href="/articles/ring-artifact-1"><strong>Ring artefact</strong></a> is usually obvious and rarely is mistaken for pathology, although it can obscure pathology in affected parts of the scan. It is most often due to a faulty x-ray detector. </p>

Tags changed:

  • artefact
  • physics

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