Twinkle artifact Twinkle artifact is the result of intrinsic machine noise seen with colour Doppler ultrasound 1. It occurs as a focus of alternating colours on Doppler signal behind a reflective object (such as calculi), which gives the appearance of turbulent blood flow 2. And it appears with or without an associated colour comet-tail artifact 3.Twinkle artifact is more sensitive for detection of small stones .. 2018. 3. 23. 이전 1 다음
