Twinkle artifact of renal calculi

Case contributed by Salman S. Albakheet
Diagnosis almost certain

Presentation

Recurrent right flank pain.

Patient Data

Age: 55 years
Gender: Male
ultrasound

Echogenic right renal stones with posterior acoustic shadowing on grey scale ultrasound and twinkle and comet-tail artifacts on color Doppler ultrasound.

Case Discussion

Renal ultrasound shows twinkle and color comet-tail artifacts caused by renal calculi.

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