The 'twinkle' or 'twinkling' artifact represents a phenomenon observed using color Doppler ultrasound that leads to a rapid alternation of color in and immediately behind an echogenic and highly reflective object. It occurs during sonographic examination of kidney stones, and has been also described in clips used for marking breast and axillary lesions.
Keywords: Breast ultrasound; Clip; Targeted axillary dissection; Twinkle artifact; Twinkling artifact.
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