title: The color comet tail artifact "twinkle sign".
authors: Department of Radiology, University of Kentucky College of Medicine, 800 Rose Street, Lexington, KY, 40536, USA, axhaf2@uky.edu.
authors: Aurela
authors: A
authors: Clark
authors: Halemane
authors: H
authors: Ganesh
authors: David
authors: D
authors: Di Santis
mesh_terms: D016477:Artifacts; D006801:Humans; D053040:Nephrolithiasis / Q000000981:diagnostic imaging*; D018615:Ultrasonography, Doppler, Color