Twinkling and color comet tail artifacts

Case contributed by Ayush Goel


Bilateral flank pain

Patient Data

Age: 65 years
Gender: Male

Ultrasound showed bilateral mild pelvicalyceal and proximal ureteric dilatation due to bilateral proximal ureteric calculi (right 7 mm, left 8 mm). Twinkling and color comet tail artifacts are present.

Case Discussion

Images show twinkling and color comet tail artifacts due to ureteric calculus.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.