From the case: Ring artefact

CT
Axial non-contrast
Modality: CT (non-contrast)

- “ 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...”

Used in the following article:

  • Ring artifact - “ Ring artifacts are a CT phenomenon that occur due to miscalibration or failure of one or more detector elements in a CT scanner. Less often it can...”
  • CT artifacts - “ CT artifacts are common and can occur for various reasons. Knowledge of these artifacts is important because they can mimic pathology (e.g. partia...”

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