Color comet tail artifact
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Title
was changed:
Colour comet-tail artifactartefact
Body
was changed:
The colour comet-tail artifactartefact is an ultrasonographic sign seen in a number of situations, when colour Doppler scanning is performed.
Typically the artefact, which resembles the grey-scale comet-tail artifactartefact, is seen in situation when a small highly refractive (usually calcific) object is interrogated with colour Doppler. Twinkle artifactartefact occurs and immediately deep to the object a tail linear aliased band of colour extends away from the probe.
The following are situations in which this sign may be present and helpful:
- small renal or ureteric calculi
- small common bile duct stones
- adenomyomatosis of the gallbladder
- pancreatic calcifications of chronic pancreatitis
- testicular microlithiasis (sometimes)
- identification of foreign bodies
- surgical clips
- catheter tips
- debris / glass / metal
-<p>The <strong>colour comet-tail artifact</strong> is an ultrasonographic sign seen in a number of situations, when colour Doppler scanning is performed. </p><p>Typically the artefact, which resembles the grey-scale <a title="Comet-tail artifact" href="/articles/comet-tail-artifact">comet-tail artifact</a>, is seen in situation when a small highly refractive (usually calcific) object is interrogated with colour Doppler. <a title="Twinkle artifact" href="/articles/twinkle-artifact">Twinkle artifact</a> occurs and immediately deep to the object a tail linear aliased band of colour extends away from the probe.</p><p>The following are situations in which this sign may be present and helpful:</p><ul>- +<p>The <strong>colour comet-tail artefact</strong> is an ultrasonographic sign seen in a number of situations, when colour Doppler scanning is performed. </p><p>Typically the artefact, which resembles the grey-scale <a href="/articles/comet-tail-artifact">comet-tail artefact</a>, is seen in situation when a small highly refractive (usually calcific) object is interrogated with colour Doppler. <a href="/articles/twinkle-artifact">Twinkle artefact</a> occurs and immediately deep to the object a tail linear aliased band of colour extends away from the probe.</p><p>The following are situations in which this sign may be present and helpful:</p><ul>
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