Ring artifact

Case contributed by Dr Henry Knipe
Modality: CT

Concentric circles with the epicentre on the caudate lobe of the liver represents ring artifact. 

Case Discussion

Ring artifact results from a faulty or missing detector on the CT gantry.

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Case Information

rID: 28033
Case created: 6th Mar 2014
Last edited: 5th Sep 2015
Tags: ct, artifact
Inclusion in quiz mode: Excluded

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