Color comet tail artifact

Last revised by Daniel J Bell on 29 Nov 2021

The color comet tail artifact is an ultrasonographic sign seen in a number of situations when color Doppler scanning is performed.

Typically the artifact, which resembles the grey scale comet tail artifact, is seen in a situation when a small highly reflective (usually calcific) object is interrogated with color Doppler. Twinkling artifact occurs and immediately deep to the object a tail of linear aliased band of color extends away from the probe.

The following are situations in which this sign may be present and helpful:

See also

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