Comet-tail artifact

The comet-tail artifact is a grey-scale ultrasound finding seen when small calcific / crystalline / highly reflective objections are interrogated, and is believed to be a special form of reverberation artifact.

It is similar to the colour comet-tail artifact and is seen in similar situations, although is in general less sensitive than the later.

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rID: 9930
Section: Physics
Tag: ultrasound
Synonyms or Alternate Spellings:
  • Comet tail artefact
  • Comet tail artifact
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    Figure 1: comet-tail
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    Case 1: adenomyomatosis
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    Case 2: adenomyomatosis
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    Case 3: thyroid colloid nodule
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