doi: 10.7863/jum.1982.1.1.1.
The comet tail artifact
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- PMID: 6152918
- DOI: 10.7863/jum.1982.1.1.1
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The comet tail artifact
J Ultrasound Med.
1982 Jan-Feb.
Abstract
A description and explanation of an unexpected echographic appearance in a patient who had sustained an abdominal shotgun wound is presented. In the B-scans, a trail of dense continuous echoes, simulating a comet tail, is seen distal to each lead pellet. This comet tail appearance is shown to be a type of reverberation artifact. The effect of object size, shape, composition, and orientation on the appearance of this artifact is demonstrated.
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