From the case: Ring artifact

CT

CT head

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

- “ This artifact is known as a ring artifact. It is caused by CT detector breakdown or malfunction, and a reboot of the machine usually solves the pr...”

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. They occur close ...”

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