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Color Comet-Tail Artifact: Clinical Applications

¹ Department of Radiology, Wake Forest University School of Medicine, Medical Center Blvd., Meads Hall, 2nd Fl., Winston-Salem, NC 27157-1088.
² Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA.

OBJECTIVE. This article explores the circumstances under which the color comet-tail artifact occurs and illustrates the clinical value of the artifact.

CONCLUSION. Subtle abnormalities on gray-scale sonograms often are better appreciated and understood when the color comet-tail artifact is present. This artifact often is helpful in situations in which gray-scale imaging does not provide adequate information for a conclusive diagnosis. Visualization of the color comet-tail artifact can improve diagnostic confidence in a wide spectrum of clinical conditions encountered in sonographic practice.

Keywords: color comet-tail artifact • Doppler sonography • twinkling sign

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